Rick Bright, former director of the Biomedical Advanced Research and Development Authority, is seen here in 2018.; Credit: Toya Sarno Jordan/Bloomberg via Getty Images

Updated at 6:14 p.m. ET

The federal scientist who was ousted from his role as director of the Biomedical Advanced Research and Development Authority has filed a whistleblower complaint with the U.S. Office of Special Counsel.

Rick Bright was a high-ranking federal scientist focused on vaccine development and a deputy assistant secretary with the Department of Health and Human Services. Last month, Bright said he was transferred to a "less impactful position" at the National Institutes of Health after he was reluctant to promote the use of drugs such as hydroxychloroquine to treat COVID-19 patients.

In the complaint, Bright alleges a range of government wrongdoing by Dr. Robert Kadlec, the assistant secretary of preparedness and response at the U.S. Department of Health & Human Services, and others. Bright's boss was Kadlec, who in turn reported to HHS Secretary Alex Azar.

At the time of his removal, Bright said he had been ousted because of his "insistence" that the government spend funds on "safe and scientifically vetted solutions" to address the coronavirus crisis and not on "drugs, vaccines and other technologies that lack scientific merit."

Bright says in the complaint that he raised concerns about the need to prepare for the coronavirus in January but encountered opposition from Trump administration officials. He says he was transferred out of BARDA in retaliation.

According to the complaint, relations between Bright and Kadlec had been strained since 2018 or so, when Bright began "raising repeated objections to the outsized role Dr. Kadlec allowed industry consultants to play in securing contracts that Dr. Bright and other scientists and subject matter experts determined were not meritorious."

"Once the COVID-19 pandemic hit, however, Dr. Bright became even more alarmed about the pressure that Dr. Kadlec and other government officials were exerting on BARDA to invest in drugs, vaccines, and other technologies without proper scientific vetting or that lacked scientific merit," the complaint continues. "Dr. Bright objected to these efforts and made clear that BARDA would only invest the billions of dollars allocated by Congress to address the COVID-19 pandemic in safe and scientifically vetted solutions and it would not succumb to the pressure of politics or cronyism."

The complaint alleges that Bright made repeated efforts to get the U.S. government to make adequate preparations for coronavirus, but was stymied by political appointees leading the HHS, including Azar.

HHS did not immediately respond to NPR's request for comment.

Bright says that in an effort to get the word out to the public about the risks associated with hydroxychloroquine, he shared with a reporter nonclassified emails between HHS officials that "discussed the drug's potential toxicity and demonstrated the political pressure to rush these drugs from Pakistan and India to American households." He says Azar and Kadlec removed him from his post within days of publication of an article about chloroquine because they suspected he was the article's source.

Bright says he stopped receiving a paycheck on April 20 and has not been assigned any further duties.

News of the whistleblower complaint was made public by his attorney on Tuesday.

This content is from Southern California Public Radio. View the original story at SCPR.org.

; Credit: /Jackie Ferrentino for NPR

A lot is at stake for students taking Advanced Placement exams, even in normal times. If you score high enough, you can earn college credit. It's also a big factor in college applications. But for some students, the idea of studying right now feels impossible.

"I'm constantly thinking about making sure my family doesn't get sick and I don't get sick," says Elise, a high school junior outside Boston. (We're not using her full name because she's worried about hurting her college applications.)

Concerns about the coronavirus have put most standardized tests, such as the SAT and ACT, on hold this spring. But AP exams are going forward with a new online format — and that's raising questions about fairness.

Elise, 17, says she spent months preparing for what is typically a three-hour, multiple-choice and essay-based exam; she was blindsided when she learned it will now be an online, 45-minute, open-response test.

"I have no idea what I'm going to get when I open that test," she says.

Elise was hoping the College Board, which administers AP exams, would cancel this year's exams, as it did the spring SATs. But since the tests are being offered, she says she feels she has to take them. She worries it would look bad on her college applications if she opted out.

For other students, just the idea of taking the exam at home is causing anxiety. Kayleen Guzman, 17, from Boston says it's hard to find peace and quiet in her house right now.

"Currently, it's me, my mom, my dog, my sister and my stepdad," she explains. "Sometimes I feel like it's too much chaos."

But Guzman is glad she still has the opportunity to take the AP exams at all this year. She says she worked hard in her two AP classes and she wants the chance to earn college credit.

However, it's still unclear how much credit colleges will give students for this year's exams.

"None of us would say that we are confident that a 3 or 4 or 5 on the AP exam this year means the exact same thing as a 3, 4 and 5 on the exam last year," says Harvard University's Andrew Ho, who studies the reliability of educational tests.

Ho says that because of the new format, this year's AP exams won't be measuring the same thing as previous years' exams. For one, the new tests will cover less material. And changing where kids take it — from a proctored classroom to their laptops at home — is a big deal. But Ho adds, "Just because it's not completely comparable doesn't mean the College Board and colleges, through their own policies, couldn't adjust."

Some colleges are already adjusting. The University of California system has come out explicitly to say it won't change the way it credits AP scores. Other colleges that didn't want to go on the record say they are planning to change their policies, but the details weren't ready to share just yet.

In a statement, College Board spokesperson Jerome White said the organization decided to move forward with AP testing to give motivated students the opportunity to earn college credit. He added that the organization is making "a significant financial investment" to make the exams available online, from cheating prevention software to helping students who may not have an Internet connection or access to a computer.

Still, some educators worry that those efforts won't be enough.

"This situation has created a lot of distraction," says Savannah Lodge-Scharff, an AP Physics teacher for Boston Public Schools. She argues that without in-person classes, many students won't be able to engage with the material in the same way. On top of that, financial stress means many of her students are juggling additional responsibilities, like taking care of siblings.

"I have some of my students who are working 40, 50, 60 hours a week at the grocery store right now in the fear their parents are going to be laid off," she explains.

And then there's the question of geographic equity. This year's exams will be administered at the same time worldwide, meaning students in Hong Kong will be up at midnight to take it.

This content is from Southern California Public Radio. View the original story at SCPR.org.

Education Secretary Betsy DeVos says there is 'no reason' to waive main parts of the federal special education law.; Credit: Alex Brandon/AP

U.S. Education Secretary Betsy DeVos will not recommend that Congress waive the main requirements of three federal education laws, including the Individuals with Disabilities Education Act, known as IDEA. The federal law ensures that children with disabilities have a right to a free, appropriate public education whenever and wherever schools are operating.

When Congress passed the coronavirus relief package, known as the CARES act, they included a provision that allowed the Secretary to request waivers to parts of the special education law during the pandemic. The concern was that holding strictly to IDEA and other laws could hinder schools in the urgency to move schooling from the classroom setting to online and home-based approaches.

Th waiver provision, however, made disability advocates nervous. "We're talking about waiving a civil right for our most vulnerable people in our society, children who don't vote, who have no voice, who are relying on their parents to advocate for them," Stephanie Langer, a Florida civil rights attorney who focuses on education and disability, told NPR in March.

But the Education Department came to the conclusions that in general, big changes weren't needed. "While the Department has provided extensive flexibility to help schools transition," Devos said in a statement, "there is no reason for Congress to waive any provision designed to keep students learning."

While the bulk of the IDEA remains unchanged, Devos did issue limited waivers to a few sections of the law, including one that will extend the timeline schools have to offer services. The provision that bans discrimination based on disability status, will go untouched.

"This is truly a celebration," says Kelly Grillo, a special education coordinator in Indiana. "My teams are elated to keep IDEA intact. Waivers would seriously threaten equitable education."

As schools and learning have moved online, one of the biggest challenges has been providing special education. School districts were concerned they might get sued if their digital offerings couldn't meet the needs of their students with disabilities, though the Education Department issued guidance in March telling schools to be flexible, writing in a fact sheet that disability law, "should not prevent any school from offering educational programs through distance instruction."

Educators say that flexibility helped them improve their offerings for students. "This situation made us get creative and actually allowed us to have an all-hands-on-deck approach," says Grillo.

But advocates warn there are still areas to watch, including in New Jersey, where parents have been asked to waive their right to sue before districts are able to provide their children with special education services.

This content is from Southern California Public Radio. View the original story at SCPR.org.

; Credit: Michelle Lanz/KPCC

From brights the other day to mutes today. You could call this color palette "blush and sand," which sounds like the title of a romance novel with a Valentino lookalike on the cover!

This is exactly the kind of sweater I used to tease my grandmother about wearing, the elaborately beaded 1950s cardigans that you saw on everyone from Babe Paley to Lucille Ball to … your grandmother. 

Of course, now I wish I had more of them! The best are the silk-lined cashmere or merino wool ones made in what was, for more than 150 years, the British Crown Colony of Hong Kong. The work of Hong Kong tailors is legendary, and now all the 1950s and early 1960s pieces are enjoying a tremendous vogue.

In this case the colors – bronze, blush and sand – are hushed, which lets the beading look more pronounced. The sleeveless top is a silk jersey criss-crossed with stitched bands of darker silk chiffon. King’s X? And then the skirt is bias-cut chiffon in very quiet hues. If designers gave quirky names to prints the way cosmetics makers do to lipstick and cheek color, we could call this one, "Shhh! This is a library!’"

So I’m glad that the shoes get paroled to holler. The nude patent color is ladylike, not loud, which is why I’m surprised but gratified that it’s hung around for a couple of seasons now. It’s a very versatile hue, even if it’s not making it as Pantone's color of the year.

No, the troublemaker part of this ensemble is the jeweled heels. Paul Simon sang of diamonds on the soles of one’s shoes; these are big dazzling rhinestones on the heels of mine. They gleam, they coruscate, they twinkle, they flash – amid all these well-behaved quiet colors, they send out a wink and a message that "I’m really a lively girl at heart, and at my feet."

This content is from Southern California Public Radio. View the original story at SCPR.org.

LOS ANGELES, CA - SEPTEMBER 29: Yasiel Puig #66 of the Los Angeles Dodgers walks onto the field to start the game against the Colorado Rockies at Dodger Stadium on September 29, 2013 in Los Angeles, California. (Photo by Lisa Blumenfeld/Getty Images); Credit: Lisa Blumenfeld/Getty Images

There are 162 games in the regular season of a major league baseball team, and I have watched exactly … hm … none. Spring, summer, autumn, as the Dodgers died and rose from the dead, I wasn’t looking.

But now, like almost everyone else in L.A., I will be cheering them in the playoffs, cheering them to their first World Series game since Michael Dukakis ran for president.

I am that deplorable creature: The fair-weather fan.

I like sports just fine, but my sport is football.

They say baseball is a relaxing game. Boy, is it!  You can eat, doze, eat again, and it’s still the fourth inning. I’ve tried to love baseball, I really have. But the diamond can’t beat the gridiron when it comes to football’s built-in thrill advantage: At any possible second, the football can change hands, the defense becomes the offense … and score!

Just about the best time I ever had at Dodger Stadium was watching the pope round the bases in his Popemobile, when he visited L.A. That was the year before the Dodgers won the World Series for the last time. I hear baseball players are superstitious; maybe it’s time to invite the new pope for a return engagement.

Kitty Felde – now there’s a fan. She’s even written plays about baseball! But she’s way back in the nation’s capital, stuck with the Washington Nationals to root for.

A paradox

It’s a paradox, really. I’ve interviewed the former Dodgers owner, Peter O’Malley, who is a truly wonderful man. I’ve interviewed Carl Erskine, the Dodgers pitcher who goes back to the Brooklyn days, and a sweeter guy you could never meet. I know Roz Wyman, the First Fan, the city councilwoman who worked the magic to bring the Dodgers here from Brooklyn.  I interviewed the McCourts, back when they were still a plural. The L.A. Times once sent me to write about Fernando Valenzuela’s hometown in Mexico, back when El Zurdo started burning up the mound at Chavez Ravine. And I sat with that gift of a man, Vin Scully, at Dodger Stadium, as the team warmed up on the jewel-box beautiful field.

None of that made a true baseball believer of me. Instead, I pine like Juliet for a pro football team. O Dodgers, Dodgers, wherefore art thou the Dodgers, and not the Green Bay Packers?

But I would be thrilled if the Dodgers took the whole baseball enchilada – thrilled, because I am an Angeleno, and the Dodgers are that rare civic institution that ties us all together, even if you don’t know a base hit from base ten.

And that makes me as entitled as the next local to put on my Dodger Blue and holler my heart out, and cheer them all the way to the World Series.

This content is from Southern California Public Radio. View the original story at SCPR.org.

Pedestrians walk by the Castro Theatre that has a marquee announcing that they are closed due to a statewide ordinance banning gatherings of more than 250 people in San Francisco, California. ; Credit: Justin Sullivan/Getty Images

Hollywood has come to a stand still. The film and entertainment industry has been hit hard by the coronavirus outbreak as theaters close, film releases and events are being postponed, and studios are putting a pause on film production.

The gravity of the coronavirus is being felt all throughout the country and Hollywood is not coming out of the outbreak unscathed. Social distancing measures being enforced to help control the outbreak has studios and theatres taking a huge hit. It’s predicted that about 170,000 people in the film industry will lose their jobs. Many of the lowest-paid positions and freelance jobs have been the first to go. From events to films, the industry is trying to strategize around the outbreak with no clear picture on how long these conditions could last. Hollywood unions, activist groups and nonprofits are coming together to help provide some kind of emergency relief for workers who are getting hit the hardest. It’s been a period of economic shock for the entertainment industry and it’s still too early to see what Hollywood could look like after the outbreak is over.

Today on AirTalk, we check-in with people in the entertainment industry who have been impacted by the outbreak and where might Hollywood go from here. If you work in entertainment, we'd like to hear from you! How are you coping as most productions are shut down? Join the live conversation by calling 866-893-5722.

Guest:

Andrew Wallenstein, co-editor-in-chief at Variety; he tweets @awallenstein

This content is from Southern California Public Radio. View the original story at SCPR.org.

U.S. Rep. Adam Schiff (D-CA) listens during a news conference in front of the U.S. Capitol.; Credit: Alex Wong/Getty Images

As we discussed last week on FilmWeek, entertainment industry professionals are among the hardest hit amid the stoppage of everyday work and life due to COVID-19. Whether you’re on camera or stage, or behind it, above the line or below it, production shutdowns mean that industry professionals who already rely on sporadic work as it’s available are left with few to no options for sustainable income. 

Last week, Congressman Adam Schiff and other members of Congress who represent areas with large constituencies that work in the entertainment industry sent a letter to House leaders asking them to provide relief for both freelance and contract entertainment industry workers. “The unique freelance nature of work in film, television, theater, and live music means that a large number of the professionals who make these productions possible work only sporadically—often with extended periods between paying jobs—and count on income from each project to make ends meet,” the letter said in part. “As a result, many of them can’t qualify for traditional unemployment benefits or paid emergency leave, yet will now be unable to cover their basic expenses due to lost work.” 

Today on AirTalk, Congressman Schiff joins us to talk about what relief both freelance and contract entertainment industry professionals can expect if the House passes the stimulus package that would provide financial aid to Americans during the coronavirus pandemic. 

Guest: 

Adam Schiff, U.S. Congressman representing California’s 28th Congressional District, which includes Burbank, parts of Pasadena, and Glendale, and chairman of the House Intelligence Committee; he tweets @RepAdamSchiff

This content is from Southern California Public Radio. View the original story at SCPR.org.

Kunjue Li (L) and Hing Chi-Lee (R) in Tigertail.; Credit: Netflix/Tigertail (2020)

Larry Mantle and KPCC film critics Claudia Puig, Tim Cogshell and Charles Solomon review this weekend’s new movie releases and share their recommendations for what to binge-watch while you’re stuck at home during COVID-19.

• "Tigertail" on Netflix

• "School Life" on Netflix

• "Love. Wedding. Repeat." on Netflix

• 'Stray Dolls" on VOD (AppleTV, Google Play Redbox * FandangoNOW

• "Sea Fever" on VOD (Spectrum On Demand, AppleTV, Google Play, Vudu, Redbox & FandangoNOW)

• "Strike" on VOD (Redbox, FandangoNOW & Vudu)

• "The Main Event" on Netflix

Guests:

Claudia Puig, film critic for KPCC and president of the Los Angeles Film Critics Association (LAFCA); she tweets @ClaudiaPuig

Tim Cogshell, film critic for KPCC, Alt-Film Guide and CineGods.com; he tweets @CinemaInMind

Charles Solomon, film critic for KPCC, Animation Scoop and Animation Magazine

This content is from Southern California Public Radio. View the original story at SCPR.org.

Windows Repair is a utility that contains numerous mini-fixes for Windows.  This tool will allow you to repair common issues with your computer such as firewall, file permission, and Windows Update problems.  When using this tool you can select the particular fixes you would like to launch and start the repair process.  This tool also comes in a portable version that allows you to use the program from a portable device such as a USB flash drive. [...]

Renovating coastal structures, such as breakwaters, groynes, artificial reefs, quays and sea walls, can be destructive to Marine and Coastal as it encourages opportunistic and invasive species, according to recent research. Repairs can be particularly damaging if conducted in spring or summer, so repair schedules should be recognised in marine planning strategies to minimise negative ecological effects, say the researchers.

'California Mountain Lions,' Episode 7: Human Interaction

In this file photo, California Gov. Jerry Brown speaks during a news conference on January 17, 2014 in San Francisco, California. Brown on Thursday signed a bill that more than triples the state's annual tax credit for film and TV production to $330 million.; Credit: Justin Sullivan/Getty Images

Gov. Jerry Brown has headed to the cradle of the Hollywood film industry to sign legislation that more than triples the state's annual tax credit to $330 million a year for films and TV shows produced in California.

Brown says the increase is needed to help prevent other states and countries from hijacking film and TV production by offering their own lucrative incentives.

Brown signed the bill Thursday at the former Grauman's Chinese Theatre, where handprints and footprints of stars from the eras of Humphrey Bogart to Robert De Niro are embedded in concrete.

Under the new system, credit will be awarded based on the number of jobs a production creates and its overall positive impact on the state.

The historic cinema is now called the TCL Chinese Theatre IMAX.

Film tax credit doc

Larry Ellison, CEO of Oracle Corporation, gestures as he makes a speech during the New Economy Summit 2014 in this file photo taken in Tokyo on April 9, 2014. The company said Thursday, September 18, 2014, that Ellison would step aside as CEO and become chairman and chief technology officer.; Credit: TORU YAMANAKA/AFP/Getty Images

Oracle says Larry Ellison is stepping aside as CEO of the company he founded. The business software maker promoted Safra Catz and Mark Hurd to replace him as co-CEOs.

Ellison will reclaim the title of chairman at Oracle and is also taking the role of chief technology officer. Oracle says Ellison wants to focus on product engineering, technology development and strategy. Jeff Henley, Oracle's chairman since January 2004, is now its vice chairman.

Catz and Hurd were co-presidents of the Redwood Shores, California, company. Catz will be in charge of the company's manufacturing, finance and legal functions. Hurd will be in charge of sales, service, and other global business units.

Ellison founded Oracle Corp. in 1977 and was its chairman from May 1995 to January 2004.

Jordan Trimble of Skyharbour Resources lays out the reasons why the uranium bear market is coming to an end, and why his company is poised to take advantage of the upturn, in this conversation with Maurice Jackson of Proven and Probable.

David Rolf, International Vice President of the Service Employees International Union, stands in his downtown Seattle office. Rolf led the campaign to bring a $15 minimum wage to Seatac, Washington in 2013.; Credit: Ben Bergman/KPCC

As Los Angeles mulls a law that would raise the minimum wage above the current California minimum of $9 an hour, it's the latest city to jump on a trend that started as the by-product of a failed labor negotiation in the state of Washington.

The first city to enact a $15-per-hour minimum wage was SeaTac, Wash., — a tiny airport town outside Seattle. "SeaTac will be viewed someday as the vanguard, as the place where the fight started," the lead organizer of SeaTac's $15 campaign, David Rolf, told supporters in November 2013 after a ballot measure there barely passed.

Rolf never set out to raise SeaTac’s minimum wage, much less start a national movement. Speaking from a sparse corner office in downtown Seattle at the Service Employees International Union 775, which he founded in 2002, Rolf told KPCC that his original goal in 2010 was to unionize workers at SeaTac airport.

When employers – led by Alaska Airlines — played hardball, Rolf put the $15 minimum wage on the ballot as leverage. “We had some polling in SeaTac that it could pass, but it was not at all definitive,” Rolf said.

That proved prescient: In a city of just 12,108 registered voters, Rolf's staff signed up around 1,000 new voters, many of them immigrants who had never cast a ballot. The measure won by just 77 votes.

It's an irony that the new law doesn't apply to workers at the center of the minimum wage campaign: The airport workers at SeaTac. That's because the Port of Seattle, which oversees the airport, challenged the initiative, arguing that the city's new minimum wage should not apply to the nearly 5,000 workers at the airport. A county judge agreed. Supporters of the $15 wage have appealed.

Still, Rolf said, "I think people are proud that that’s what happening. There are leaders of the movement in Seattle, including our mayor, that said shortly after the victory, 'Now we have to take it everywhere else.'"

The $15 minimum wage spread to Seattle last June and to San Francisco in November. 

Why $15 an hour?

The $15 figure first came to people’s attention in a series of strikes by fast food workers that started two years ago in New York. 

“I think it’s aspirational, and it provides a clean and easy-to-understand number," Rolf said. "You can debate whether it ought to really be $14.89 or $17.12, and based upon the cost of living in different cities, you could have a different answer. But in the late 19th and early 20th century, American workers didn’t rally for 7.9 or 8.1 hour working day. They rallied for an eight-hour day.”

“What’s really remarkable about social protest movements in American history is that the radical ideas of one group are often the common sense ideas of another group in a matter of a few years," said Peter Dreier, professor of politics at Occidental College.

Rolf is hopeful the $15 minimum wage can spread to every state. But Nelson Lichtenstein, Director of the Center for the Study of Work, Labor and Democracy at the University of California, Santa Barbara, is skeptical.

“I don’t think having high wages in a few cities will mean it will spread to red state America,” he said. 

Lichtenstein said cities like L.A. have become more labor friendly, thanks largely to an influx of immigrants, but that’s not the case in the South. Oklahoma recently banned any city from setting its own minimum wage, joining at least 12 other states with similar laws, according to Paul Sonn, general counsel and program director at the National Employment Law Project.

In November, voters in four Republican-leaning states — Alaska, Arkansas, South Dakota, and Nebraska — approved higher minimum wages, but they weren’t close to $15.

A $15 dollar wage would have a much greater impact in Los Angeles than Seattle or San Francisco because the average income here is much lower than in those cities. Post-recession, income inequality has become much more of a concern for voters, which has made $15 more palatable, Sonn said.

This fall, the Los Angeles City Council enacted a $15.37 minimum wage for hotel workers that takes effect next year. A similar law has been in effect around LAX since 2007. 

But even though California cities have been allowed to set their own minimum wages for more than a decade, L.A. has never come close to doing so.

Until now.

This content is from Southern California Public Radio. View the original story at SCPR.org.

More than 70 passengers travelled through LAX last year, an all-time record.; Credit: Photo by monkeytime | brachiator via Flickr Creative Commons

Here’s a pop quiz: What is the world’s busiest airport?

Almost two weeks ago, Chicago's O'Hare International claimed the honor.

"As Chicago reclaims its place with the world’s busiest airport, it speaks to the strength of our city’s economy," bragged Chicago Mayor Rahm Emanuel.

Not so fast, said Dubai, which last week said it was number one.

“This historic milestone is the culmination of over five decades of double-digit average growth," announced HH Sheikh Ahmed Bin Saeed Al Maktoum, Chairman of Dubai Airports.

Then, on Wednesday, Atlanta weighed in, and yes, it also claimed to be the champion.

“I am pleased to announce that once again – for the 17th year in a row – Hartsfield-Jackson Atlanta International Airport is the busiest airport on Planet Earth, with more than 96.1 million passengers,” Atlanta Mayor Kasim Reed said. 

Airports Council International ranks Atlanta as number one in passenger traffic, but those are based on 2013 numbers. The group's 2014 numbers will be out in a few months, but until then we know that LAX proudly takes an undisputed sixth place.

Gina Marie Lindsey, Executive Director of the Los Angeles World Airports, announced her retirement Tuesday after a 33-year career in the aviation industry. Since Lindsey started in 2007, passenger traffic has grown by 15 percent. 

Aviation consultant Jack Keady doesn’t think LAX stands a chance of competing with rapidly expanding Dubai, which state-owned Emirates airlines has made its glitzy global hub.

"Dubai has bumped everyone down,” said Keady.

Still, Keady says LAX will keep growing, even though it’s going to be working with the same number of runways for the foreseeable future.

“Instead of running 30-passenger turboprops and 100-passenger planes, you start bringing in the heavy metal,” said Keady.

Bigger planes are especially important because under a 2006 settlement with airport neighbors, once LAX hits 75 million passengers, it has to start closing gates.

More than 70 million passengers travelled through LAX last year, an all-time record.

This content is from Southern California Public Radio. View the original story at SCPR.org.

Full Text:

The molecular mechanism used by many bacteria to kill neighboring cells has redundancy built into its genetic makeup, which could allow for the mechanism to be expressed in different environments, say researchers at Penn State and the University of Wisconsin-Madison. Their new study provides insights into the molecular mechanisms of competition among bacteria. "Many organisms, including humans, acquire bacteria from their environment," said Tim Miyashiro, a biochemist and molecular biologist at Penn State and the leader of the research team. "These bacteria can contribute to functions within the host organism, like how our gut bacteria help us digest food. We're interested in the interactions among bacteria cells, and between bacteria and their hosts, to better understand these mutually beneficial symbiotic relationships." Cells of the bioluminescent bacteria Vibrio fisheri take up residence in the light organ of newly hatched bobtail squid. At night, the bacteria produce a blue glow that researchers believe obscures a squid's silhouette and helps protect it from predators. The light organ has pockets, or crypts, in the squid's skin that provide nutrients and a safe environment for the bacteria. "When the squid hatches, it doesn't yet have any bacteria in its light organ," said Miyashiro. "But bacteria in the environment quickly colonize the squid's light organ." Some of these different bacteria strains can coexist, but others can't. "Microbial symbioses are essentially universal in animals, and are crucial to the health and development of both partners," says Irwin Forseth, a program director in the National Science Foundation's Division of Integrative Organismal Systems, which funded the research. "The results from this study highlight the role small genetic changes can play in microbe interactions. Increased understanding will allow us to better predict organisms' performance in changing environments."

Image credit: Andrew Cecere

Celonis, a Germany-based...

Tradeshift, a supply...

A prolific ransomware gang vows to dial back its campaigns and spare healthcare organizations altogether during the COVID-19 crisis. It’s no cause for celebration.

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If we can’t secure the supply chain, eventually everything else will break

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Bad actors accessed a range of personally identifiable information, including names, dates of birth and a lot more

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The users' personal data are now up for grabs on the dark web for anywhere between US$3,500 and US$22,000 worth of bitcoin

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Security is not a game, but learning about it could be – here’s why adding the fun factor can help employees become more cyber-aware

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A pair of vulnerabilities in the default email app on iOS devices is believed to have been exploited against high-profile targets

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Scammers rehash old campaigns, create credit card-stealing websites and repurpose information channels to milk the COVID-19 crisis for all it's worth

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An unknown threat actor is exploiting vulnerabilities in plugins for which patches have been available for months, or even years

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