The world's largest breeding colony of Magellanic penguins is seeing unprecedented deaths among young birds. A scientist who has spent 30 years studying the penguins says that climate change is to blame — triggering, among other things, more heat waves and wetter storms that kill fledglings.
The FAA is poised to decide whether to grant the space company a launch license. If it does, SpaceX could build its first commercial orbital launch facility near the border city of Brownsville. The prospect of living in the world's newest aerospace hub has stirred a buzz among locals.
To understand speech, the brain has to quickly recognize the sounds used to form words. Now researchers have discovered a way to watch how the brain does this. They've found that the process of understanding speech involves highly specialized brain cells, which respond specifically to the dozen sounds produced by the human vocal tract.
Low-fat ice cream just won't cut it for you? Maybe it's your nose telling you it's not the real deal. Researchers have found that people can actually smell differences in dietary fat in food. It's an ability that might have helped our ancestors find the best foods to survive on.
Men who take testosterone supplements double their risk of heart attacks, a study finds. That was true for men over 65 and for younger men with heart disease. Testosterone supplements have become increasingly popular as a way to counter flagging libido.
Drillers pumping oil on the Great Plains are also producing a lot of natural gas. But the state doesn't have the infrastructure to transport or store it, so much of that gas isn't being sold — it's being set on fire.
Overweight kindergartners are much more likely to be obese by eighth grade compared to their normal-weight peers, a study finds. The solution may be for women to avoid gaining too much weight during pregnancy, researchers say, as well as helping kids get exercise and eat healthy foods.
Scientists know that a small percentage of humans' genes came from Neanderthals. But they were surprised to find that one-fifth of Neanderthal genes are in modern humans living today. That includes genes associated with diseases including Type 2 diabetes, Crohn's disease and lupus.
The latest twist in this evolutionary whodunnit has us questioning whether the lack of vitamin D from the sun played any role in our complicated, sometimes dangerous, love affair with milk. New DNA analysis of ancient farmers from sunny Spain suggests that this theory may have gone sour.
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