The Arctic's permafrost is meltingand fast. That's bad news, because these frozen soils store billions of tons of carbon, just waiting to be unleashed. So is there a way to save the permafrost? One team of researchers thinks it may have found a possi...
April Reese: Offshore wind in the US is poised for a boom. States from Rhode Island on down to Virginia all have plans to ramp up offshore wind over the next decade, and the Biden administration has pledged to add 30 gigawatts of offshore wind by 203...
Don't worry about why the chicken crossed the roadthe bigger question is whether it'll m?ake it at all. Every year, millions of animals get killed by vehicles in the U.S. But that road risk has dropped because of the COVID pandemic. 不要担心鸡为什...
Oxygen and water are crucial to most life on Earth, but what about nitrogen? Its in every molecule of DNA in your body, and in all your proteinsyou literally cant live without it. But most of Earths nitrogen exists as an inert atmospheric gas that or...
Other rocky planets in our solar system show a common feature: within giant craters caused by impacts theres evidence of volcanic activity. Which made scientists wondercan big impacts actually cause volcanic eruptions? And has that scenario ever happ...
This is Scientific American's 60-second Science. I'm Karen Hopkin. 这里是科学美国人60秒科学。我是凯伦霍普金。 If there's one thing we know about viruses, it's that they love to spread. The novel coronavirus is happy to use us huma...
Blood donations save lives. But blood can only be stored under refrigeration for up to six weeks. After that, it's no longer usable for transfusions. 献血可以挽救生命。但是血液最多只能冷藏保存6周。之后,就无法再用于输血...
Fossilized skulls and skeletons found in European caves gave us our first glimpse of our ancient cousins, the Neandertals. And a finger bone, found in a Siberian cave, first indicated the existence of another relativethe Denisovans. But fossils are h...
Fitness bands like the Apple Watch and the Fitbit aim to track your vitals, like heart rate. But early models weren't all that accurate.We thought of them a little bit like random number generators. They really didn't seem to be providing anything th...
That, of course, is the sound of the Himalayan forest thrush. And that sound was a clue to field researchers that they might have a new species of bird on their hands. Even though it was in the bush. You know what I mean. 这是喜马拉雅深林中画...