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Scientists have pinpointed the exact city and year that HIV first spread

HIV might never have become a global pandemic if it wasn't for the ecology of what is now known as Kinshasa, and what was then a 1920s colonial hub.



  • Fitness & Well-Being

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Satellite reveals remnants of ancient continents under Antarctica's ice

Researchers uncover the remnants of lost continents hidden under the ice sheets of Antarctica.




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Living things unlike anything else on Earth found in random dirt sample

A whole new kingdom will need to be created to classify Hemimastix kukwesjijk, the organisms found in a random dirt sample.



  • Wilderness & Resources

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At least this year wasn't as bad as A.D. 536 — the worst year in human history

In A.D. 536, a volcanic eruption sent a thick haze into the air that blocked the sun over Europe, the Middle East and some of Asia for 18 months.



  • Wilderness & Resources

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Mystery of why the bottom of the Pacific Ocean is getting colder might finally be solved

The bottom of the Pacific Ocean is actually cooling down. How is this possible? The answer is proof that Earth's systems operate on long timescales.



  • Climate & Weather

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Planetary collision seeded elements for life on Earth, study says

Researchers say the collision of a planetary body with Earth, some 4.4 billion years ago, seeded the elements of life and also led to the creation of our moon.




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This rock brought back from the moon likely came from Earth

This supposed moon rock is actually an Earth rock. It was likely jettisoned from our planet ages ago, eventually crashing into the moon.




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It's going to take a long, long time for Earth to regain its biodiversity

New research suggests it will take millions of years for extinct species to return to Earth.



  • Research & Innovations

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NASA's new mission will spot killer asteroids before they sneak up on us

The space agency's $650 million Neo Surveillance Mission is designed to spot killer asteroids.




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How human activity is warming the oceans

Natural fluctuations alone do not explain warming in the upper layers of the planet's oceans, confirms a new computer modeling study.



  • Climate & Weather

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Bloomberg attempts to beat summer heat with home AC window unit ... in his SUV

Trying to stay cool while obeying his own stringent vehicle idling restrictions, New York City Mayor Michael Bloomberg enlists security detail to install a full




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Study: Ocean acidification disrupts food web

As acidic seawater forces shellfish to grow thinner shells, scientists warn of a ripple effect that could alter marine ecosystems around the planet.



  • Wilderness & Resources

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Arctic Sea ice reaches record low -- and it's going to get worse

Arctic sea ice, the white cap that covers the watery northern edge of the planet, has melted back to a record low level.



  • Wilderness & Resources

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Tons of methane lurk beneath Antarctic ice

Microbes possibly feeding on the remains of an ancient forest may be generating billions of tons of methane deep beneath Antarctic ice, a new study suggests.



  • Wilderness & Resources

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Antarctic ozone hole among the smallest recorded in 20 years

The ozone hole above the Antarctic has hit its maximum extent for the year. Due to warm temperatures, the opening in the protective atmospheric layer was the se



  • Wilderness & Resources

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Earthworms may play a role in climate change

A new study finds that earthworms cause soil to release more greenhouse gases.



  • Climate & Weather

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Insects: The most eco-friendly meat? [Infographic]

Put down that hamburger, pick up a cricket burger, and help reduce greenhouse gas emissions.



  • Wilderness & Resources

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New study links childhood asthma to living near traffic

Living near high-traffic roads accounts for 14% of all asthma cases, researchers find.




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Earth's carbon dioxide levels to hit 400 ppm

This much CO2 hasn't filled the planet's atmosphere since the Pliocene Epoch 3 million years ago — long before modern humans existed.



  • Climate & Weather

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New technology helps utilities sniff out natural gas pipeline leaks

Aging pipelines leak dangerous amounts of greenhouse gases into the atmosphere.




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How much methane leaks out during fracking?

A new study claims it isn't as bad as estimated, at least during one part of the process. But how much methane does leak during fracking?




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Reducing greenhouse gas emissions could prevent premature deaths

Reducing the flow of the greenhouse gases that spur global warming could prevent up to 3 million premature deaths annually.



  • Wilderness & Resources

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Methane levels rising as funding cuts threaten monitoring network

U.S. federal budget woes are shrinking the monitoring network that tracks greenhouse gases such as methane.



  • Wilderness & Resources

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Amazing new laser could diagnose disease and detect greenhouse gases

Researchers have created a laser powerful enough to detect minute concentrations of gases in the atmosphere or in your mouth.



  • Climate & Weather

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Amazon rain forest breathes in more than it breathes out

Absorbing more carbon dioxide than they release, these vast forests can be credited with helping to lower levels of greenhouse gases in the atmosphere.



  • Wilderness & Resources

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IKEA to curb climate change with veggie Swedish meatballs

The Swedish home furnishings giant plans to offer 'lower carbon alternatives' to the signature pork and beef meatballs sold at its in-store cafes.




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Leaked U.N. report warns of 'irreversible' warming

The risk of 'severe, pervasive and irreversible impacts' is quickly rising worldwide, the draft report warns.



  • Climate & Weather

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NASA unveils satellite's 1st CO2 map of Earth

Scientists with NASA unveiled the first carbon maps obtained by the spacecraft, named the Orbiting Carbon Observatory-2, or OCO-2.



  • Wilderness & Resources

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3 reasons not to expect a 'mini ice age' in 2030

Even though Earth is already in an ice age, a surplus of ice is the least of our worries.



  • Climate & Weather

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Carbon dioxide levels are reaching heights we haven't seen in 800,000 years

The latest World Meteorological Organization Greenhouse Gas Bulletin paints a grim picture for our environment.



  • Wilderness & Resources

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If you really want to reduce your carbon footprint, have fewer kids and ditch your car

A 2017 study published in Environmental Research Letters offers a number of ways to reduce your carbon emissions, and having fewer kids topped the list.




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More polar bear cubs drowning due to sea ice loss

Study reveals that open-water swims have a dramatic effect on young cubs, which are forced to follow their mothers in search of food and solid ground.




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Coca-Cola cans go white for the polar bears

The new white Coca-Cola cans are part of a fundraising campaign to protect the Arctic.



  • Sustainable Business Practices

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Infographic: Polar bears in peril

Polar bears have ruled the Arctic for 100,000 years, but now they're struggling to keep up as the region undergoes a dramatic transformation.




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Photos of Antarctica reveal shifts in ice

Thanks to the combined technology of satellites and weather stations scattered around the Antarctic Peninsula, researchers can now keep tabs on the region's shi



  • Wilderness & Resources

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Arctic sea ice hits yearly max, but still dwindling

It may be time to retire the groundhog and start tracking Arctic sea ice for a better prediction of late-winter weather.



  • Wilderness & Resources

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Scientists witness breathtaking polar sunrise over Greenland

Scientist captures stunning sunrise during a research mission to study polar ice in the Arctic circle.



  • Climate & Weather

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Spend 2 minutes as a wild polar bear in Alaska

Scientists have released the first 'point of view' video filmed by a wild polar bear, offering a glimpse into the animals' daily lives.




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Watch the Earth 'breathing' from space

A new visualization from NASA offers a unique view of life on Earth.



  • Wilderness & Resources

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7 reasons why Arctic sea ice matters

The vanishing veneer of frozen ocean isn't just vital for polar bears.



  • Wilderness & Resources

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A remnant of the force that carved the Great Lakes will soon vanish

The Barnes Ice Cap, a last surviving piece of the once-vast Laurentide Ice Sheet, will be gone in as little as 300 years.



  • Climate & Weather

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20 ways to reuse coffee grounds, tea leaves

It's unlikely that coffee or tea is growing in your garden, so after you finish that cup, put the grounds to work with these clever ideas.




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7 least toxic laundry detergents

Of the 271 general purpose laundry detergents the Environmental Working Group evaluated, only 7 scored a rating of A.




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Recycled Brazilian office warehouse has neat ideas for small living

In order to make its employees more comfortable when they want to take a break from work, a sports marketing company from Sao Paulo, Latin Sports, asked Brazili



  • Remodeling & Design

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5 invasive plants you can eat

Invasive plants outcompete native vegetation, threaten endangered species and curb biodiversity. So put on a bib and chow down!




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Cream of Dandelion Soup: A weed has its moment in the sun

By foraging in your backyard, you can turn a crop of cheerful but maligned dandelions into a tasty, traditional French soup.




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Crate expectations: 11 shipping container housing ideas

Shipping containers can be transformed into a variety of innovative homes and hotels.



  • Remodeling & Design

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The most beautiful waves ... ever

As you click through these incredible photos, you'll remember just why it's worth fighting to save our oceans.



  • Wilderness & Resources

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Absurd Korean pop hit 'Gangnam Style' actually a subversive critique of consumerism

Could we be witnessing Korean pop's plunge into the cultural criticism arena?



  • Arts & Culture

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9 superstar athletes who don't eat meat

These athletes got to the top of their sports without meat.