Updated March 8 at 1:53 p.m. ET A major study is challenging the widely held view that adult human brains make new neurons. The study of 59 samples from 29 brains of people of various ages found no immature neurons in anyone older than 13, scientists report online Wednesday in the journal Nature. "In all of the adult samples we looked at, we couldn't find any evidence of a young neuron," says Shaw
The world's largest species of orangutans is rapidly disappearing. Borneo has lost more than 100,000 orangutans in the last 16 years – that's more than the number of the critically endangered species remaining. This species — the Bornean orangutan — is only found on the island, which is divided between Malaysia, Indonesia and Brunei. It has seen dramatic deforestation, as lush jungle is converted
SpaceX's Falcon 9 rocket successfully launched a top secret U.S. government payload into orbit, while returning its first-stage booster to the ground for reuse. The Falcon lifted off at 8 p.m. ET Sunday from Cape Canaveral Air Force Station. As the first-stage of the Falcon returned to Earth for an upright landing, the upper stage lofted the mysterious Zuma, presumed to be a spy satellite or milit
Facebook is expanding its use of facial recognition software to alert users when photos of them are posted on the platform — whether or not they are tagged in the photo. By default, Facebook users in the U.S. will be signed up for these face recognition alerts, unless they have previously opted out of a similar, more limited feature. But users can turn off face recognition, Facebook says. Addition
Neanderthals died out some 30,000 years ago, but their genes live on within many of us. DNA from our shorter, stockier cousins may be influencing skin tone, ease of tanning, hair color and sleeping patterns of those of present-day Europeans, according to a study from the Max Planck Institute for Evolutionary Anthropology published Thursday in the American Journal of Human Genetics. Scientists esti
Well-trained guide dogs are important for visually impaired people who rely on them. But many puppies bred to be guide dogs flunk out of training programs. A study published Monday in the Proceedings of the National Academy of Sciences suggests the way a puppy's mother raises it may be the key to the dog's success, or failure. A research team at the University of Pennsylvania found that puppies de
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