搜索 复制 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 providi...
搜索 复制 There's a stretch of highway in Pennsylvania, along U.S. 422. And like every probably 20 feet you see a big pothole or cracking at the joint. Like everywhere. It was so bad. Yaghoob Farnam is a construction materials engineer at Drexel...
搜索 复制 The statues on Easter Island are among the most mysterious objects made by humans. We still dont know how they were moved, why they were placed at particular sites around the island and why they were made in the first place. Now researc...
搜索 复制 How to Care for COVID at Home, and Is That Sniffle Allergies or the Virus? 如何在家中治疗新冠病毒 Tanya Lewis: Hi, and welcome to COVID, Quickly, a Scientific American podcast series. Josh Fischman: This is your fast-track up...
搜索 复制 [CLIP: Thunder sound] The chance that a human being like you will be struck by lightning is minuscule. But what if youre a tall tree in the tropics? 人被闪电击中的几率是微乎其微的。但是如果你是热带的一棵大树呢...
搜索 复制 How Astronomers Finally Captured a Photo of our Own Galaxy's Black Hole 天文学家如何最终捕捉到银河系黑洞照片 Tulika Bose: This is Scientific American's 60-second science. I'm Tulika Bose. 图丽卡博斯：这是《科学...
搜索 复制 Dogs were the first animals to be domesticated. And they stuck with us as we changed lifestyles from hunting/gathering to farming to city living. 狗是最早被人类驯养的动物。当我们的生活方式从狩猎/采集到农耕再到...
搜索 复制 Just like humans have to learn to talk, songbirds aren't just born singingthey have to learn to carry a tune. So in the beginning they just babble. Raissa de Boer, a behavioral ecologist at the University of Antwerp in Belgium. And they...
搜索 复制 Two-Headed Worms Tell Us Something Fascinating About Evolution 双头蠕虫告诉我们关于进化的一些有趣的事情 Ashleigh Papp: This is Scientific Americans 60-Second Science, I'm Ashleigh Papp. You might say that Guillermo P...
搜索 复制 The Harmful Effects of Overturning Roe v. Wade 推翻罗伊诉韦德案的有害影响 Tanya Lewis: This is Scientific Americans 60-Second Science. I'm Tanya Lewis. Tanya Lewis：这是《科学美国人》的60秒科学。我是坦娅刘...
