The notoriously short night's sleep that many tired adolescents get isn't all about surging hormones and too much homework, according to a sociologist who looked at shifting sleep patterns from ages 12 to 15. Teens who report good relationships with family and schoolmates tend to sleep better.
December 4, 2013 The Department of Interior's Bureau of Ocean Energy Management admits no liability in the whistle-blower case brought by the scientist. The agency says it agreed to the settlement to avoid litigation costs.
December 3, 2013 The company's Falcon 9 booster lifted off from Cape Canaveral, Fla., carrying the satellite into a geostationary orbit.
December 3, 2013 To forecast sudden global catastrophe — and, perhaps, head it off — we should be spying on the climate at least as closely as we spy on each other, an expert panel warns. Yet the primary global monitoring network has been cut by 30 percent.
December 3, 2013 The space agency has announced plans to grow turnips, basil and cress on the moon by 2015. The experiment could be good news for astronauts sick of their freeze-dried fare. But researchers say the real goal is to see if humans could one day live — and farm — on the moon.
December 3, 2013 A cookie in the oven almost looks like a monster coming alive. It bulges out, triples in size and then stiffens into a crisp biscuit. So how does an oven turn raw dough into a delight? A new animation explains the chemistry behind great baking so you, too, can unleash your inner mad scientist in the kitchen.
December 3, 2013 A shark bit the dangling foot of a kayaker who was fishing between Maui and Molokini, a small island that is a popular diving and snorkeling spot.
December 3, 2013 Look inside most machines today and what do you find? Computer chips functioning mysteriously. Gaze at a 1920's Rube Goldberg cartoon and what do you find? Machines powered by hungry parrots and angry ladies. Will future tools stay inscrutable or become more Rube-like? Here's a guess.
December 2, 2013 The U.S. aims to reduce carbon dioxide emissions by 80 percent by 2050. Wind and solar power can help. But folks doing the math say other pricey, controversial technologies — such as burying carbon gas underground, and expanding nuclear power — are also likely to be part of a low-carbon future.
December 2, 2013 Left-handedness has been linked to everything from early death to schizophrenia over the past 150 years. While the associations spark curiosity and sometimes concern, it's been difficult to draw solid scientific conclusions, one way or the other.
December 2, 2013 A computer game wants you to help survey the world's cropland. The hope is that the map will be used by organizations around the globe that are working with farmers to manage their crops better and get more out of each harvest.