科学美国人60秒 SSS 我们懒一点对蜜蜂是有好处的

Bees Have a Goldilocks Lawn Mow Schedule Add up every golf course, athletic field, industrial park, and yard in the U.S. and you have an area nearly the size of Florida. Upon first glance, all that lawn might seem a biological wastelanda monoculture

科学美国人60秒 SSS Neandertal Face Shape Was All Over the Air

Neandertal Face Shape Was All Over the Air The jutting midface of Neandertals seems to have evolved to help get large volumes of air into an active body that needed lots of oxygen. Full Transcript Neandertal walks into a bar. Bartender says, Why the

科学美国人60秒 SSS Brain Scan Might Reveal Appetite for Risk

Volunteers willing to place riskier bets tended to sport larger amygdalasa region associated with processing fear. Christopher Intagliata reports. Full Transcript Here's the gamble: 20 bucks guaranteedor a 5050 chance of winning 60 bucks? Which would

科学美国人60秒 SSS Old New England Underground May Be Spry after All

The U.S. Northeast may be more geologically active than was previously thought, according to a seismic sensor network. Full Transcript Hi, Im Scientific American podcast editor Steve Mirsky. And heres a short piece from the April issue of the magazin

科学美国人60秒 SSS X射线可能照射到一些可居住外行星区域

Some Habitable Zone Exoplanets May Get X-Rayed Out X射线可能照射到一些可居住外行星区域 As astronomers hunt for habitable, Earth-like worlds, one popular place to look is around M stars, a type of red dwarf. Couple reasons for that: 当

科学美国人60秒 SSS 狮子保护区不利于保护长颈鹿

Lion Conservation Challenges Giraffe Protection The giraffe is an icon of the African savannah. The lion is the top predator of the ecosystem. Both animals face uncertain futures, and both are subjects of intense, ongoing conservation work. Now a stu

科学美国人60秒 SSS 家庭节能有助于能源利用

Homebodies Economize on Energy Use 家庭节能有助于能源利用 The rise in technology, particularly for information and communication, is radically transforming lifestyles. For example, many people can now work from home and still be in almost

科学美国人60秒 SSS 我有自己的声音

Woodpeckers Drum to their Own Tune Humans can recognize each other by voice alone. I sound different from other 60-Second Science reporters, for example. In fact, lots of non-human animals, of all types, use voices to distinguish familiar individuals

科学美国人60秒 SSS 假日狂欢导致生育率上升

Holiday Cheer Leads to Birth-Rate Spike In the United States, theres a holiday that goes hand in hand with romance. So much so that nine months later, theres a spike in the number of babies born. Valentines day? Wrong! It seems that people in the U.S

科学美国人60秒 SSS 虎鲸文化通过模仿我们而揭示出来

Killer Whale Culture Revealed By Mimicking Us Killer whales, also called orcas, are like dolphins and belugasthey all have a wide vocal repertoire. But orcas also have uniquedialects among different pods. Which suggests the animals can learn new and

科学美国人60秒 SSS 开启冬季居家模式的加拿大鹅

Canada Geese Taking a Winter Staycation Over the last few decades, Canada geese have been wintering further and further north, which was interesting, because the winters have gotten a little more mild over the last few years, but still its pretty col

科学美国人60秒 SSS 猴子的报复

Aggressed-Upon Monkeys Take Revenge on Aggressor's Cronies Dont mess with a monkey. Because if you do, hes might take revengeon your family and friends. Thats according to a study of Japanese macaques, which shows that monkeys keep track of eachs oth

科学美国人60秒 SSS 主动活泼一点会更好

Poorer Kids May Be Too Respectful at School Kids from different economic backgrounds behave differently in classrooms. For example, working class kids are less likely to ask for help from teachers than are their middle class counterparts. And when th

科学美国人60秒 SSS 昆虫捐献DNA给无关的虫类

Insects Donate DNA to Unrelated Bugs 昆虫捐献DNA给无关的虫类 You can thank your parents for your DNA. Because humans share genes through sexual reproduction, passing DNA from parent to child. It's known as the 'vertical transfer' of DNA. No

科学美国人60秒 SSS 海鸟羽毛能彰显海洋的脆弱性

Seabird Feathers Reveal Less-Resilient Ocean Today we have sophisticated buoys packed with instruments, and robotic underwater drones. But a more than a century ago the seas were surveyed by different types of autonomous data-gathering instruments. W

科学美国人60秒 SSS 火灾无声中对葡萄酒造成的影响

Wildfires Spike Wine with Smoky Notes The fires that ripped across Napa and Sonoma last year damaged some two dozen wineries, and burned others completely to the ground. 去年发生在纳帕和索马诺的大火损毁了二十多家酒厂，并将其他

科学美国人60秒 SSS 海鸥把鲸鱼宝宝啄死了

Baby Whales Pecked to Death by Gulls Gulls. You may have noticed that gulls can be pretty aggressive when it comes to grabbing food. But that behavior is more intense than you may know. Some kelp gulls snack on baby whales. Live baby whales. 海鸥啊

科学美国人60秒 SSS 蚊子能识别危险气味

Mosquitoes Learn the Smell of Danger When it comes to sucking blood, mosquitos can play favorites: they show preferences for particular species or even certain individuals. At the same time, their tastes can change, depending on the circumstances. On

科学美国人60秒 SSS 老树是生态系统的黄金使者

Old Trees Are Ecosystem Gold Well, lots of people recognize that as humans get older they tend to have less and less children...trees do it the other way around.David Lindenmayer. He studies conservation, landscape ecology and biodiversity at the Aus

科学美国人60秒 SSS 蜜蜂喜欢花朵提供的尼古丁

Bees Prefer Flowers That Proffer Nicotine We humans enjoy coffee and tea, to give our brains a caffeine boost. And bees sometimes sip nectar that naturally contains caffeine, which seems to enhance their memory. Now a study suggests that bees enjoy a