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科学美国人60秒 SSS 我的歌声你懂得
Sweet Song Gives Away New Bird Species我的歌声你懂得 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
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科学美国人60秒 SSS 火星真的会撞地球?
Chaotic Orbits Could Cause Catastrophic Collision火星真的会撞地球? Isaac Newton said, I can calculate the motion of heavenly bodies, but not the madness of people. He meant that while people can be unpredictable, the planets are just the oppo
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科学美国人60秒 SSS 远离”大猫”
Big Cats and People Live in Close Quarters in India远离大猫 In India, as a consequence of stricter protection of wildlife and increased tolerance, numbers of large carnivores are increasing in private lands and lands outside the protected-area sy
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科学美国人60秒 SSS 古人也挨臭虫叮
Cave Dwellers Battled Bed Bug Bites, Too古人也挨臭虫叮 Picture a prehistoric human encampment, in a cave. What do you see? Maybe some animal hides, bones from last night's dinner, a small fire? But what you might not picture are the other cave
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科学美国人60秒 SSS 生脉隆起导致生物多样化
Species Split When Mountains Rise生脉隆起导致生物多样化 The tropics are well known for their biodiversity. But another hotspot? Mountains. Like the Hengduan Mountains, in south-central China. 热带地区因为其生物多样性而为大家所
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科学美国人60秒 SSS 奔跑吧!北极熊
Polar Bears Must Work Harder On Faster Sea Ice Treadmill奔跑吧!北极熊 Polar bears live on floating rafts of sea ice, hunting for seals. But in the Arctic Ocean north of Alaska, the cold polar wind constantly blows that ice from east to west. Wh
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科学美国人60秒 SSS 数天百年的效果
Extreme Storms Are Extreme Eroders数天百年的效果 In 2013, a rare September storm swept across the plains of Colorado. When it hit the Rockies, it dropped more than a foot of rain in places like Boulderas much as the city sees in an entire year
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科学美国人60秒 SSS 预测血糖
Individuals' Blood Glucose Levels after Meals May Be Predictable预测血糖 High blood sugar levels are a risk factor for type 2 diabetes. Doctors today have only general dietary recommendations for how to control those levels, because theres no rea
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科学美国人60秒 SSS 论人生晚年健康饮食的重要性
Healthful Diet Switch Helps Even Late in Life论人生晚年健康饮食的重要性 Lets say your diet has been not so great. Maybe too much red meat, especially processed meat. Maybe too many sugary soft drinks. And maybe youve been eating like tha
