The results show mergers of two dense stellar remnants are the likely cause of many of the supernovae that have been used to measure the accelerated expansion of the universe.

The post Mergers of dense stellar remnants are likely trigger for many supernovae appeared first on Smithsonian Insider.

Recently, scientists at the Smithsonian Tropical Research Institute in Panama discovered that the brain region responsible for learning and memory is larger in the social queens than in the solitary queens of this species. Their study is the first comparison of the brain sizes of social and non-social individuals of the same species.

The post For sweat bees, being social builds a more developed brain appeared first on Smithsonian Insider.

Based on decades of cutting-edge research, the 15,000-square-foot Hall of Human Origins offers visitors an immersive, interactive journey through 6 million years of human evolution spelling out how defining characteristics of the human species have evolved during millions of years in response to a changing world.

The post New Hall of Human Origins points to environmental change as major force in evolution of hominins appeared first on Smithsonian Insider.

Eric Silver of SAO is pursuing innovative and interdisciplinary uses of his technique for chemical imaging at the cellular level.

The post Technology developed for X-ray astronomy is being adapted to study cancer cells appeared first on Smithsonian Insider.

More than 25 years ago, researchers at the Smithsonian Environmental Research Center's Fish and Invertebrate Ecology Lab began taking weekley surveys of the species that make their way in and out of Muddy Creek.

The post Net survey: For quarter century, scientists have been counting creatures traveling Chesapeake Bay tributary appeared first on Smithsonian Insider.

Discoveries of three new from species in Panama lead to hope that project researchers can save these animals from a deadly fungus killing frogs worldwide and the fear that many species will go extinct before scientists even know they exist.

The post New frog species pose challenge for conservation project in Panama appeared first on Smithsonian Insider.

When NASA’s Solar Probe Plus launches before the end of the decade, it will carry a suite of cutting-edge scientific instruments. Only one–the Solar Wind Electrons Alphas and Protons Investigation (SWEAP)–will directly sample the Sun’s outer atmosphere.

The post Center for Astrophysics will play major role in mission to “touch” the Sun appeared first on Smithsonian Insider.

Should global warming cause sea levels to rise as predicted in coming decades, thousands of archaeological sites in coastal areas around the world will be lost to erosion. With no hope of saving all of these sites, three archaeologists—Leslie Reeder of Southern Methodist University, Jon Erlandson of the University of Oregon and Torben Rick from the Smithsonian's National Museum of Natural History—have issued a call to action for scientists to assess the sites most at risk around the world.

The post Scientists issue call to action for archaeological sites threatened by rising seas, urban development appeared first on Smithsonian Insider.

“Places of Invention,” a planned 3,500-square-foot exhibition at the National Museum of American History scheduled to open in 2014, will feature a selection of “hot spots” of invention and innovation—places where a critical mass of inventive people, networks, institutions, funding and other resources come together and creativity flourishes.

The post Lemelson Center receives $2.6 million grant for informal science education appeared first on Smithsonian Insider.

For safety’s sake, the four eight-week-old cubs born to  National Zoo lioness Shera were given a swim test on Oct. 26  in the moat of […]

The post For safety’s sake, Zoo’s lion cubs take first swim appeared first on Smithsonian Insider.

Despite the general perception of exurban development as environmentally preferable to urban sprawl, this is not necessarily correct. Housing development is detrimental for natural bird communities even at low housing levels.

The post Exurban development is changing communities of birds in Eastern Forests appeared first on Smithsonian Insider.

"Physics for the 21st Century," a free, on-line course developed at the Harvard-Smithsonian Center for Astrophysics about current research in physics is now available.

The post Free, online course in physics offered by the Harvard-Smithsonian Center for Astrophysics appeared first on Smithsonian Insider.

Subjects watched demonstrators for varying amounts of time. When given the pipe, each of the subjects in both groups opened the door on their first attempt using the method they had seen demonstrated.

The post Lemurs exhibit ability for social learning in zoo experiment appeared first on Smithsonian Insider.

The male’s fluke design helps it overcome the drag caused by their long tusks, the scientists determined. The female’s fluke design gives them increased speed for diving while foraging.

The post Narwhal fluke design helps compensate for drag caused by tusk appeared first on Smithsonian Insider.

Last week, the Kepler team and CfA astronomers announced the discovery of a system of six transiting planets around one Sun-like star. The previous record holder for the number of transiting planets was three.

The post Six orbiting planets sets record for Sun-like stars say Kepler, Smithsonian astronmers appeared first on Smithsonian Insider.

Astronomers are piecing together the reasons for these huge energy outputs, while sorting out why our own galaxy is so modest. The two primary suspects are bursts of star formation that produce many hot young stars, and processes associated with accretion of material onto a supermassive black hole at a galaxy's nucleus.

The post Luminosity of extreme galaxy most likely driven by star formation appeared first on Smithsonian Insider.

On April 4 the Smithsonian and the Massachusetts Institute of Technology will launch VANISHED, an 8-week online/offline environmental disaster mystery game for middle-school children, meant […]

The post Smithsonian and MIT to launch online mystery game for middle-shool children appeared first on Smithsonian Insider.

Evidence for a diversified sea-based economy among North American inhabitants dating from 12,200 to 11,400 years ago is emerging from three sites on California's Channel Islands.

The post New archaeological evidence reveals California’s Channel Islands as North America’s earliest seafaring economy appeared first on Smithsonian Insider.

The National Zoological Park’s 23-year-old male red-ruffed lemur, Joven, enjoys a tasty St. Patrick’s Day frozen treat made of apples, pears, cucumbers, honeydew and diluted […]

The post A St. Partick’s Day treat for the Zoo’s red-ruffed lemur appeared first on Smithsonian Insider.

There is a new candidate for coldest known star: a brown dwarf with about the same temperature as a hot cup of coffee. That’s cool enough to begin crossing the blurry line between small cold stars and big hot planets.

The post New candidate for “coldest star” is same temperature as a hot cup of coffee appeared first on Smithsonian Insider.

“Our results support the idea that environmental conditions on tropical non-breeding areas can influence the departure time for spring migration,” said Colin Studds, a postdoctoral fellow at the Smithsonian Conservation Biology Institute's Migratory Bird Center and lead author of the study.

The post Smithsonian scientists find declining rainfall is a major influence for migrating birds appeared first on Smithsonian Insider.

The Harvard-Smithsonian Center for Astrophysics has been selected by the National Science Foundation as the recipient of a 12-meter (39-foot) radio antenna designed for submillimeter-wavelength astronomy. The ALMA Vertex Prototype Antenna was one of three antennas built as prototypes for the Atacama Large Millimeter Array, a 66-dish radio observatory currently being constructed in Chile.

The post Harvard-Smithsonian Center for Astrophysics to own and operate ALMA Vertex Prototype Antenna appeared first on Smithsonian Insider.

The National Aeronautics and Space Administration has made available to the public a new online collection of images that capture the excitement of planetary exploration and the journey to understand the origin and evolution of the solar system.

The post Stunning high-resolution NASA images available online for public exhibits appeared first on Smithsonian Insider.

The new research reveals that from the period between 1100-1600 small agricultural settlements up and down the Delaware River Valley caused a 50-percent increase in sediment runoff into the Delaware River.

The post Study reveals environmental impact of American Indian farms centuries before Europeans arrived in North America appeared first on Smithsonian Insider.

The most widely used methods for calculating species extinction rates are "fundamentally flawed" and overestimate extinction rates by as much as 160 percent, life scientists report May 19 in the journal Nature.

The post Methods for calculating species extinction rates overestimate extinction, says Smithsonian scientist appeared first on Smithsonian Insider.

Researchers at the Smithsonian Conservation Biology Institute and partnering organizations will build a frozen repository of Great Barrier Reef coral sperm and embryonic cells. Genetic banks composed of frozen biomaterials hold strong promise for basic and applied research and conservation of species and genetic variation.

The post Smithsonian Conservation Biology Institute to help create frozen repository of sperm and embryonic cells for Great Barrier Reef corals appeared first on Smithsonian Insider.

Some--birds called wire-tailed manakins, residents of tropical forests in the Americas--are cooperators as well as competitors. They cooperate, forming alliances for a common cause.

The post Manakins, birds of tropical forests, form alliances for common good appeared first on Smithsonian Insider.

The whole-genome analysis of two Tasmanian devils—one that died of a new contagious cancer known as Devil Facial Tumor Disease (DFTD) and one healthy animal—is at the center of a new management strategy to help prevent the extinction of this species.

The post Whole-genome analysis at center of effort to save Tasmanian devil appeared first on Smithsonian Insider.

A team of scientists have found that because of this, high summer temperatures have been a strong influence in determining bill size in some birds, particularly species of sparrows that favor salt marshes.

The post It’s no sweat for salt marsh sparrows to beat the heat if they have a larger bill appeared first on Smithsonian Insider.

Now, for the first time scientists at the Smithsonian’s Museum Conservation Institute have developed a fast and reliable method to date silk.

The post New technique for dating silk developed by Smithsonian conservation team appeared first on Smithsonian Insider.

History and geology, not current ecology, are likely what has made tropical forests so variable from site to site.

The post What makes rainforests unique? History, not ecology. appeared first on Smithsonian Insider.

Thunder, lightning and strong winds greeted the National Zoo’s two female red panda cubs when they were born June 17, and that stormy night has […]

The post National Zoo’s red pandas named “Pili” and “Damini” for stormy night appeared first on Smithsonian Insider.

These green crabs have been doing a number on native shellfish. They eat a lot of clams. And they're a very cosmopolitan species—they've now spread all over, to places as far afield as the West Coast of the U.S. and South Africa.

The post Location matters: For invasive aquatic species, it’s better to start upstream appeared first on Smithsonian Insider.

A new study on the dodo’s island home of Mauritius in the Indian Ocean, paints a picture of this unusual bird as an intrepid survivor on par with the giant tortoise for its resiliency.

The post Dodo bird a resilient island survivor before the arrival of humans, study reveals appeared first on Smithsonian Insider.

Humanity's most complex ground-based astronomy observatory, the Atacama Large Millimeter/submillimeter Array (ALMA), has officially opened for astronomers at its 16,500-foot high desert plateau in northern Chile.

The post Center for Astrophysics project gets first look through new ALMA telescope appeared first on Smithsonian Insider.

In a laboratory at the Smithsonian Environmental Research Center in Edgewater, Md., scientist João Canning Clode and colleagues tested the cold-water tolerances of a number of invasive green porcelain crabs.

The post Cold spells spell trouble for warm-weather invasives appeared first on Smithsonian Insider.

A recent decline in Ovenbirds (Seiurus aurocapilla), a ground-nesting migratory songbird, in forests in the northern Midwest United States is being linked by scientists to a seemingly unlikely culprit: earthworms.

The post Earthworms to blame for decline of Ovenbirds in northern Midwest forests, study reveals appeared first on Smithsonian Insider.

The crustaceans are much more effective when they fight together than when they fight alone, a process McKeon calls the Multiple Defender Effect. “It is a clear example of synergy, and one that underscores the importance of biodiversity in the ocean.”

The post Preventing home invasions means fighting side-by-side for coral-dwelling crabs and shrimp appeared first on Smithsonian Insider.

When most people look at a forest, they see walking trails, deer yards, or firewood for next winter. But scientists at the Harvard Forest and […]

The post Development will reduce carbon stored in forests, Smithsonian & Harvard scientists predict appeared first on Smithsonian Insider.

Incredibly, the narwhale’s only visible tooth is outside of its mouth. Its tusk, in fact, is a giant canine tooth—that can grow as long as 9 feet!

The post For a dentist, the narwhal’s smile is a mystery of evolution appeared first on Smithsonian Insider.

To celebrate its 22nd anniversary in orbit, the Hubble Space Telescope has released a dramatic new image of the star-forming region 30 Doradus, also known […]

The post New image of the star-forming region 30 Doradus, also known as the Tarantula Nebula appeared first on Smithsonian Insider.

Just a few towering white fir, sugar pine and incense cedars per acre at Yosemite National Park are disproportionately responsible for photosynthesis, converting carbon dioxide into plant tissue and sequestering that carbon in the forest, sometimes for centuries,

The post Heavyweight trees are forest champs at sequestering carbon appeared first on Smithsonian Insider.

Recent geologic mapping of the Medusae Fossae Formation on Mars—an intensely eroded deposit near the northern edge of the cratered highlands—has revealed a wider distribution of its western component than was previously recognized.

The post New mapping of Mars shows Medusae Fossae Formation older than once thought appeared first on Smithsonian Insider.

Scientists have discovered an incredible story of fungal fidelity among certain species of ants.

The post Fungal fidelity: some ants have been eating the same meal for 5 million years! appeared first on Smithsonian Insider.

New research by a team of astronomers found that planets smaller than Neptune are located around a wide variety of stars, including those with fewer heavy elements than the Sun.

The post Alien Earths may have formed in Universe earlier than expected appeared first on Smithsonian Insider.

Coral reefs worldwide are being destroyed by changes in ocean temperature and chemistry faster than at any time since the last reef crisis 55 million years ago, thousands of marine scientists warned from the International Coral Reef Symposium in Cairns, Australia.

The post Coral reef emergency: 2,600 scientists call for worldwide rescue appeared first on Smithsonian Insider.

By attaching tiny radio transmitters to more than 400 seeds, Patrick Jansen, scientist at the Smithsonian Tropical Research Institute and Wageningen University, and his colleagues found that 85 percent of the seeds were buried in caches by agoutis, common, house cat-sized rodents in tropical lowlands.

The post Thieving rodents hiding seeds drives continual rejuvination of tropical forests appeared first on Smithsonian Insider.

The dying star, which lit the galactic scene, is the most distant stellar explosion of its kind ever studied.

The post Dying star illuminates distant galaxy, lifting veil of interstellar darkness for astronomers appeared first on Smithsonian Insider.

Hew research by astronomers at the Harvard-Smithsonian Center for Astrophysics shows that planets still can form in the cosmic maelstrom of Milky Way's center.

The post Planets can form in the galactic center appeared first on Smithsonian Insider.

Researchers from the Smithsonian Tropical Research Institute are recommending that Panama adopt revised traffic patterns and slower speeds for vessels crossing the Gulf of Panama to reduce the risk of collisions between ships and whales.

The post Ships need to slow down for whales in Gulf of Panama, scientists advise appeared first on Smithsonian Insider.