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 The old expression bird brain, referring to a small or inadequate brain sizeits not all that accurate. Take crows, for example, and other corvids,like jays and magpies. Many corvids have relatively large brains for their body size, and...
搜索 复制 The cheetah is the rarest big cat in Africa. Less than 7.000 adults remain on the planet. Think of it this way: for every cheetah on the planet, there are more than four Starbucks coffee shops. 猎豹是非洲最稀有的大型猫科动物...
搜索 复制 Florida Gets Kids and Vaccines Wrong, and Ukraine's Health Crisis 佛罗里达州把孩子疫苗搞错了及乌克兰健康危机 Tanya Lewis: Hi, and welcome to COVID, Quickly, a Scientific American podcast series. Josh Fischman: This...
搜索 复制 There are now more than 16 million bitcoins in circulation, with a total market cap of 130 billion dollarsmore than the market value of Netflix, Priceline or Starbucks. Just going by numbers, bitcoin is the one coin to rule them all. 现在...
搜索 复制 Next time you need directions, maybe ask an ant. Because these clever little critters are such masters of navigation that some can find their way home whether theyre walking forward, backward, or sideways. Thats according to a study in...
搜索 复制 Are You Better Than a Machine at Spotting a Deepfake? 你比机器更擅长发现Deepfake吗? Vitak: This is Scientific Americans 60 Second Science. Im Sarah Vitak. Early last year a TikTok of Tom Cruise doing a magic trick went viral...
搜索 复制 Seventy-six million years ago, a group of small mammals huddled in a burrow in whats now Montana. They were good diggersmost likely furryand petite. 七千六百万年前,一群小型哺乳动物挤在现在的蒙大拿州的一个洞穴...
搜索 复制 What comes to mind when you think of Alaska? Probably snow. And ice. And extreme cold. But what about tomatoes? 当你想到阿拉斯加时脑海里会想到什么?可能是雪、冰、甚至是极端的寒冷。但是你会想到番茄...
搜索 复制 And this mission would be NASAs first mission that is directly tasked with searching for signs of life on another world since the Viking Spacecraft were given that task back in the 1970s on the surface of Mars. 自20世纪70年代海盗号...
搜索 复制 Fifty years ago, British inventors made and marketed the first electronic breathalyzer. The alcohol gauge has become standard issue for U.S. law enforcement cracking down on drunk driving. 50年前,英国发明家发明并推销了第一...
搜索 复制 A Treasure Trove of Dinosaur Bones in Italy Rewrites the Local Prehistoric Record 意大利恐龙骨骼宝库改写当地史前记录 Emily Schwing: This is Scientific Americans 60 Second Science. Im Emily Schwing. When he was little, A...
搜索 复制 The flat lithium ion batteries that power smartwatches are built by stacking the battery components: positive and negative electrodes, current collectors and a separator. It's akin to piling up sheets of paperyou get a stack that you ca...
搜索 复制 Chimps Apply Insects to their Wounds 黑猩猩将昆虫涂在伤口上 Christopher Intagliata: Chimpanzees can make tools, they display emotions, and they can outfox humans at certain memory games. But chimps also resemble us in another...
搜索 复制 重复的声音让大脑更愉 Music includes a lot of repetition. What would your favorite song be without a chorus? But the connection runs even deeper than that. Because the very act of repeating something can render that thing melod...