科学美国人60秒 SSS ＂Power Poses＂ Don't Stand Up

Perhaps youve seen the famous TED talk about so-called power poses. It encouraged viewers to change the course of their lives by assuming what are thought of as dominant postures. So you make yourself big, you stretch out, you take up space. You're b

[科学美国人60秒] SSS 2015-08-28

This is Scientific American - 60 second Science. I'm Christopher Antaryata. Got a minute? We humans take medicine when we are sick. As due our primate cousins, chimps, for example, snack on a bitter African shrub to combat intestinal worms. But the h

科学美国人60秒 SSS

Nobel in Chemistry for Seeing Biomolecules in Action 诺贝尔化学奖微化分子结构 The Royal Swedish Academy of Sciences has decided to award the 2017 Nobel Prize in Chemistry jointly to Jacques Dubochet, Joachim Frank and Richard Hendersonfor

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

科学美国人60秒 SSS Bat Chatter Is More Than a Cry in the Dark

When we humans talk to other humans, the sounds we make all have very specific meanings. When I say apple you immediately imagine something that has the characteristics of an apple. Yossi Yovel, a neuroecologist at Tel Aviv University in Israel. And

科学美国人60秒 SSS 哪一个先长出来：长鼻还是花?v

Which Came First: The Proboscis or the Flower? To learn about the plant life of long ago, scientists dig through layers of the Earth, looking for fossil clues. Like bits of fossilized pollen, or spores.And that's where I come in. Timo van Eldijk (EL-

科学美国人60秒 SSS 2016-1-6

In 1988, the US government instituted a ban on federal funding on Needle Exchange Programs for peole inject Street Drugs.Here is a quote from the article in the July 1998 issue of Scientific American on HIV prevention.Access to clean needles can help

科学美国人60秒 SSS 2016-1-5

After Connecticut passed a law requiring gun background checks and gun safety courses, gun deaths decreased by forty percent. Forty percent. Prsident Obama today. In his announcement that he would take executive action to require more gun sellers to

科学美国人60秒 SSS 2016-8-04

It may not be the most melodious bit of birdsong youll ever encounter. [Titmouse alarm call]. But this particular call, issued by a tufted titmouse, conveys important information about the presence of potential predators. But only if other birds can

科学美国人60秒 SSS 2016-8-07

Psychologist Saho Takagi, a graduate student at Kyoto University in Japan, strolls into one of Japan's many cat cafes. These establishments allow customers to pay an hourly fee for the chance to cuddle some cats. They're popular in Japan because so m

科学美国人60秒 SSS 2016-8-11

The Explorers Club in New York Citywhose members have included Neil Armstrong, Teddy Roosevelt, and the first men to reach both the North and South poleshas a reputation for serving exotic entrees, like fried tarantula and goats eyeballs. In 1951 the

科学美国人60秒 SSS 2014-03-04

Lady Gaga's fake finger now and justin timberlake's partly even french toast have fetched big box auction because the seemingly worthless items once belonged to a celebrity. Now a study found that the price depend on how much contact the celebrity ha

科学美国人60秒 SSS 2014-09-03

Everybody loves chimpsespecially their endearing entreaties. Scientists, too, love to listen to chimps chat. And they enjoy sharing these colorful commentaries with their colleagues. Now, anyone with a hankering for primate prattle can listen in. Bec

科学美国人60秒 SSS 2014-09-02

When you hear the word mutation, you may think of something destructive, or of Marvels X-Men. But some mutationswhich are just differences in DNAcan be historic. Take, for example, a genetic sequence found in the vast majority of people from Tibet. M

科学美国人60秒 SSS 2014-05-07

This Scientific American 60-Second Science, I'm Cynthia Graber. Got a minute? To a farmer, good insects pollinate, and bad insects decimate. But they often had a tough time knowing which flying creatures were invading their crops. Now eavesdropping r

科学美国人60秒 SSS 2014-10-13

Americans are slowly crawling out of recession while averages are earning more. Researchers wonder how the increased income effect charitable giving. So they dove to IS data from 2006 to 2012. They broke the data down by state county Metropolis town

[科学美国人60秒] SSS 2015-08-06

Microbe organize live in you ，on you ,in soil in clouds ,and below the ocean floor ,that last bags of single self.. is particularhard to study, not only the samples are difficult to obtain ,but they can easily be contaminated with all that other mi

[科学美国人60秒] SSS 2015-08-03

The term Pigmy usually refers to a few groups of short statured people in equatorial rain-forest regions inAfrica. The existence ofdistinct population of such people presented scientists with the opportunity to study the mechanisms by which typical h

科学美国人60秒 SSS 金屋藏“娇”

How do you attract a mate? If youre a male mouse, you take the Frank Sinatra approachyou sing. Scientists have known about crooning male mice for years. And past experiments showed that if you leave male mice alone with an unconscious female or even

科学美国人60秒 SSS 沐浴雨中 随风飘荡

Back in January, one of California's oldest and most iconic residents keeled over: the Pioneer Cabin tree, a giant sequoia in Calaveras Big Trees State Parkso big you used to be able to drive through it. 在今年一月份，加州一座最古老、最