Embryonic stem cells surrounded by feeder cells. When a team of scientists tried using Crispr to turn stem cells into neurons, they found that many of them died unless a cancer-fighting gene also was deactivated.
The skeleton of a child found in Hungary was partially mummified by copper from a coin placed in its hand.
Studies have shown that elephants may be monitoring ground vibrations through their bodies, fleeing for higher ground moments before distant tsunamis strike or stomping on the ground to warn others of danger.
The Tembeling River in Malaysia’s Taman Negara National Park, near the home areas of hunter-gatherers and other groups that scientists studied to test the relationship between culture and the ability to name smells.
A showcase reflects a reconstruction of Ötzi’s skull, center, and his body at the South Tyrol Museum of Archaeology in Bolzano, Italy.
A whistling kite hovering over Queensland, Australia. Whistling kites are the so-called “firehawks,” said to spread bush fires to drive out prey.
The Berkeley Pit, a mile-wide hole in Butte, Mont., where copper used to be mined, currently holds 50 billion gallons of contaminated water. It's hoped that the water, once treated, could be a new "headwaters" for a section of the Silver Bow Creek that remains unrestored.
Sandy was a lab chimp, now retired at Chimp Haven in Keithville, La. The N.I.H. is deciding whether old, ill chimps formerly used in research should be moved to sanctuaries like Chimp Haven, or retire in place.
The population of western monarch butterflies in California dropped to a record low last year, according to a nonprofit conservation group.
Dr. Eske Willerslev, director of the Center for GeoGenetics at the University of Copenhagen, earlier this month.
A helicopter from the nearby Chinese icebreaker Xue Long arrived to pick up the first batch of passengers from the stranded Russian ship Akademik Shokalskiy.
Microscopic tubular structures found within red garnets may be caused by the burrowing of microorganisms.
Bill Nye debates Ken Ham.
Juul is under federal investigation for marketing its discreet, flash-drive-resembling e-cigarette product to youth.
Evidence of a cancerous tumor was found on a bone fossil dating back 1.7 million years.
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