Dec 20 New research says people arrived in Americas much earlier and co-existed with giant sloths and mastodons By Christina Larson, Associated Press New discoveries from several archaeological sites in North and South America suggest that ancient people first arrived in the New World much earlier than scientists once thought. Continue reading
Dec 18 Why some people can get away with only a little sleep every night By Marla Broadfoot, Knowable Magazine Short sleepers cruise by on four to six hours a night and don’t seem to suffer ill effects. Turns out they’re genetically built to require less sleep than the rest of us. Continue reading
Dec 18 Watch 6:10 U.S. astronauts stranded in space face another delay before they can return to Earth By Geoff Bennett, Miles O'Brien, Karina Cuevas A pair of NASA astronauts who have been stuck at the International Space Station since June will have to wait a little longer to come back to Earth. NASA says astronauts Butch Wilmore and Suni Williams won’t return now until… Continue watching
Dec 17 Can’t tell if you’ve spotted a drone or a plane? There are clues to help tell the difference By John Seewer, Mark Scolforo, Associated Press Experts say if you're trying to determine whether that's a drone in the sky, you should look at how it moves and listen to the sounds it makes. Continue reading
Dec 16 Watch 6:25 Arizona farmers forced to adapt as main water source dries up By Stephanie Sy, Lena I. Jackson, Sam Weber Yuma County, Arizona, is known as the "Winter Salad Bowl Capital." From lettuce to cilantro to broccoli, the region produces almost all the leafy green vegetables consumed in the U.S. during winter months. Farmers there rely on the nearby Colorado… Continue watching
Dec 15 Watch 4:41 How Climate Corps members are tackling the climate crisis in communities across the U.S. By Andrew Corkery, Gerard Edic In another sign of the climate crisis, 2024 is on track to be the hottest year ever on record. Last year, the Biden administration established the American Climate Corps to train people for green jobs and empower Americans to help… Continue watching
Dec 15 Watch 5:07 Indiana high school students offer up ideas to combat climate change In schools nationwide, educators are hoping to empower students with knowledge and inspire them to dream up ways to ensure a better climate future. At a high school in Bloomington, Indiana, students pitched their ideas to scientists this past spring. Continue watching
Dec 15 Researchers have developed a way to break down long-lasting PFAS compounds using light By Arindam Sau, Mihai Popescu, Xin Liu, The Conversation Long-lasting environmental pollutants known as PFAS, or "forever chemicals," can remain in the environment for up to 1,000 years after being used. A team of researchers has developed a chemical system that uses light to break down the incredibly strong… Continue reading
Dec 13 The Geminids are one of the strongest meteor showers of the year. Here’s how to watch By Christina Larson, Associated Press The Geminids — among the few major meteor showers to come from asteroids — peak on Friday. It’s one of the year’s last chances to see fireballs in the sky. Continue reading
Dec 13 Researchers use ancient genes to pinpoint when humans and Neanderthals mingled By Adithi Ramakrishnan, Associated Press Neanderthals and humans likely mixed and mingled during a narrow time frame 45,000 years ago, scientists reported Thursday, a time period slightly more recent than previous estimates for the mating. Continue reading