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Updated: 11 min 12 sec ago

Altering A Species: Darwin's Shopping List

Mon, 01/15/2018 - 12:28pm

Few scientific discoveries have caused as much excitement as that of editing our genes; yet we owe some of the most stunning wonders around us to old-fashioned breeding practices, says Jimena Canales.

(Image credit: dan_wrench/Getty Images/iStockphoto)

Salmonella May Have Caused Massive Aztec Epidemic, Study Finds

Mon, 01/15/2018 - 10:01am

The 16th century epidemic, likely set off or exacerbated by European invaders, was one of the most deadly in human history. New evidence traces it to a type of salmonella that causes a deadly fever.

(Image credit: Alexandre Meneghini/AP)

Oregon Artist Turns Dead Creatures Into Beautiful Compositions

Mon, 01/15/2018 - 6:01am

Christopher Marley only uses specimens that have died from natural causes or been caught as fishing bycatch. Then he freeze-dries them, which is why they seem so alive in his artwork.

(Image credit: Christopher Marley Studio)

For Now, Sequencing Cancer Tumors Holds More Promise Than Proof

Mon, 01/15/2018 - 3:44am

Sequencing the DNA of cancer tumors to help pinpoint treatment is an emerging element of precision medicine. While patients and doctors alike want these tests, they often don't benefit patients.

(Image credit: Meredith Rizzo/NPR)

Making The Case That Discrimination Is Bad For Your Health

Sun, 01/14/2018 - 6:00am

The researcher who coined the term "weathering" talks with Gene Demby about health, hard data, and why it took so long for people to come around to the idea that discrimination hurts bodies.

(Image credit: Becky Harlan/NPR)

Rescues Continue In California Mudslide Zones

Sat, 01/13/2018 - 4:47pm

Search and rescue operations in Southern California continue for people still missing after this week's massive mudslides and debris flow. Many areas are still unreachable in Santa Barbara County.

Helping Strangers May Help Teens' Self-Esteem

Sat, 01/13/2018 - 9:59am

Adolescents are under more pressure than ever, and many suffer from depression and anxiety. But new research suggests that volunteering to help strangers makes them feel better about themselves.

(Image credit: Hero Images/Getty Images/Hero Images)

Scientists Say A Fluctuating Jet Stream May Be Causing Extreme Weather Events

Fri, 01/12/2018 - 3:54pm

A new study says unusual patterns of the polar jet stream circling the Northern Hemisphere may have led to dramatic weather in Europe and North America.

(Image credit: Peter Macdiarmid/Getty Images)

Southern California Hillsides Remain Vulnerable After Deadly Mudslides

Fri, 01/12/2018 - 1:47pm

Deadly mudslides occured in Santa Barbara County, Calif., after heavy rain pushed debris down fire-scarred hillsides. If it rains again, more debris could be swept down the mountains.

(Image credit: Justin Sullivan/Getty Images)

VIDEO: Take A Trip Through The Orion Nebula, A Baby Star Nursery

Fri, 01/12/2018 - 11:36am

The constellation Orion is home to a busy, glowing nebula. Data from telescopes has been used to create a three-minute, three-dimensional tour around its colorful caverns and bright star clusters.

(Image credit: NASA)

Science Says That To Fight Ignorance, We Must Start By Admitting Our Own

Fri, 01/12/2018 - 9:46am

The best way to defend everything we really do know, according to science, is to begin by admitting our own ignorance — to ask "What don't you know?" says astrophysicist Adam Frank.

(Image credit: robuart/Getty Images/iStockphoto)

Researchers Spot Massive Black Hole In Double 'Burp'

Fri, 01/12/2018 - 5:32am

The cosmic sinkhole is at the center of a galaxy 800 million light-years from Earth and supports the theory that such objects can switch their power output on and off in relatively short time-scales.

(Image credit: NASA , ESA, and J. Comerford (University of Colorado-Boulder))

The High Cost Of Medical Marijuana Causes Pain In Vermont

Thu, 01/11/2018 - 6:27pm

Though medical marijuana is legal in most states, some patients still have a hard time affording it. The federal government won't allow states to cover medical marijuana with Medicaid dollars.

(Image credit: Emily Corwin/VPR)

Thick, 'Rather Clean' Ice Sheets Are Spotted On Mars

Thu, 01/11/2018 - 2:05pm

The size and accessibility of these ice sheets, as well as the fact that they're made of relatively clean water, could be an important resource for astronauts traveling to Mars.

(Image credit: NASA )

Government Scientists Say A Controversial Pesticide Is Killing Endangered Salmon

Thu, 01/11/2018 - 11:52am

The insecticide chlorpyrifos, already under attack for its risk to small children, may be killing salmon as well. The National Marine Fisheries Service is recommending restrictions on its use.

(Image credit: Thomas Kline/Getty Images/First Light)

Is This Gorilla Mother Consciously Protecting Her Baby?

Thu, 01/11/2018 - 11:33am

In response to a report of "heroic" behavior by a female mountain gorilla aiming to protect her baby, anthropologist Barbara J. King explores questions of conscious awareness of infanticide in apes.

(Image credit: Dian Fossey Gorilla Fund)

Does Serena Williams Have The Willpower To Ace The 'Marshmallow Test'?

Thu, 01/11/2018 - 9:40am

In the experiment, kids get a treat. If they don't eat it for, say, 10 minutes, they're promised a second treat. What would Williams do? What do most kids do?

(Image credit: ZenShui/Michele Constantini/Getty Images/PhotoAlto)

The Flu Goes Viral

Thu, 01/11/2018 - 9:06am

It's going around …

(Image credit: Chris Hondros/Getty Images)

Montana Barley Fields Become Front Line For Climate Change And Beer

Thu, 01/11/2018 - 7:00am

Barley, the "king of malt," needs a precise recipe of water and sunshine to thrive — too much of either will cause it to wither and die. And amid a changing climate, that's exactly what's happening.

(Image credit: Tony Bynum/Food & Environment Reporting Network)

Alcohol-Linked ER Visits Are Rapidly Rising, Though Drinking Per Capita Is Down

Thu, 01/11/2018 - 4:00am

The nine-year period ending in 2014 saw a sharp increase in the U.S. of alcohol-related visits to emergency rooms, a study finds. And binge-drinking doesn't completely explain it.

(Image credit: Vasyl Tretiakov / EyeEm/Getty Images)




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