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2020年科學美國人2月

  • 科學美國人60秒 SSS 全球科學簡報 全球科學簡報 Hi, I'm Scientific American podcast editor Steve Mirsky, and here's a short piece from the April 2019 issue of the magazine, in the section called Advances: Dispatches From The Frontiers Of Science, Technology And Medicine. The art
  • 科學美國人60秒 SSS 動物在黑暗中發出聲音? Did Animal Calls Start in the Dark? The animal kingdom is a noisy place. There's bird song, choruses of frogs , and lots of lesser known sounds like the ray-gun-like sounds of baby alligators hatching and calling for mom. (There's lots of videos of t
  • 科學美國人60秒 SSS 手語展示不同的祖先 Sign Languages Display Distinct Ancestries More than 140 sign languages are used today, primarily by deaf communities around the world. Like spoken languages, each sign language has its own grammar, vocabulary and other special features. 現在有140多
  • 科學美國人60秒 SSS 土撥鼠天氣預測能力不行啊 Facts about Groundhogs Other Than Their Poor Meteorology February 2: the day each year when we look toward an oversized rodent to find out how much more winter well endure. In honor of the occasion, heres seven things you might not have known about t
  • 科學美國人60秒 SSS 來自世界各地的科學新聞簡報 Science News Briefs from All Over 來自世界各地的科學新聞簡報 Hi, Im Scientific American podcast editor Steve Mirsky. And heres a short piece from the January 2020 issue of the magazine, in the section called Advances: Dispatches from the
  • 科學美國人60秒 SSS 尼安德特人用蛤蜊捕魚 Neandertals Tooled Around with Clams Around 100,000 years ago, in what is now Italy, our Neandertal cousins waded out into the shallow coastal waters of the Mediterranean Sea in search of clams. They grabbed the mollusks from the seafloor and perhaps
  • 科學美國人60秒 SSS 濃縮咖啡磨得越粗越好 Espresso May Be Better when Ground Coarser Making a cup of coffee isnt rocket science. But a new study shows that a background in math and analytical chemistry doesnt hurt. Because researchers who applied their skills in materials science and modelin
  • 科學美國人60秒 SSS 若有一只信天翁圍著你的船 Having an Albatross around Your Boat 若有一只信天翁圍著你的船 If youve ever been on a fishing boat, youve probably seen flocks of birds following in your wake, hoping to catch a snack. Now scientists say they can use those birds behavior
  • 科學美國人60秒 SSS 用同位素驗證假威士忌 Fingering Fake Whiskeys with Isotopes It came to our attention a few years ago that there were fraudulent whiskeys on the market.Gordon Cook of the Scottish Universities Environmental Research Center. 幾年前,市場上出現了假的威士忌,這
  • 科學美國人60秒 SSS 喜馬拉雅冰川發現工業革命污染灰塵 Industrial Revolution Pollution Found in Himalayan Glacier Near the end of the 18th century, the industrial revolution began to transform Great Britain. Machines replaced hand tools, factories sprouted up in cities and towns, and a sharp uptick in co
  • 科學美國人60秒 SSS 老鼠毛發變灰原因何在 Fight-or-Flight Nerves Make Mice Go Gray They say that Marie Antoinettes hair turned white the night before she lost her head to the guillotine. But can stress really have such a dramatic effect on hair color? A new study in mice concludes that it ca
  • 科學美國人60秒 SSS 隱形殺手搭便車來到本地植物幼苗上 Invisible Killers Hitchhike on Native Plant Seedlings When wildfires rip through a landscape, firefighters have the firstand most immediatejob. But then, that burned moonscape often passes into the hands of restoration ecologists, who yank out invasi
  • 科學美國人60秒 SSS 貓能聽懂自己的名字 但它們不會回應 This is Scientific American 60-second Science, I'm Jim Daley. 這里是科學美國人60秒科學系列,我是吉姆戴利。 Almost any cat owner will testify to the felines' apparent indifference to humans when we call their names. But according
  • 科學美國人60秒 SSS 新模型旨在解決月球的形成之謎 This is Scientific American's 60-second Science, I'm Christopher Intagliata. 這里是科學美國人60秒科學系列,我是克里斯托弗因塔格里塔。 On July 20th, 1969, humankind finally set foot on the surface of the moon. Fifty years la
  • 科學美國人60秒 SSS 軟件可以檢測出老鼠的吱吱叫聲 This is Scientific American 60-second Science, I'm Lucy Huang. 這里是科學美國人60秒科學系列,我是露西黃。 Mice and rats vocalize. To us, many of the sounds they make are ultrasonicat too high a frequency to hear. But if we slow th
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