2016-07-26 所属栏目:科学美国人

Great frigate birds are extraordinary creatures. They’re seabirds with six-foot wingspans, yet they weigh only about three pounds. Their preferred food: flying fish—whi

2016-07-22 所属栏目:科学美国人

In Africa's battle against malaria, two low-tech tactics—insecticides and bed nets—have done a decent job killing off mosquitoes. "But it's mainly one species that's

2016-07-21 所属栏目:科学美国人

A recent headline on the Web site theverge.com got a lot of attention on social media. Because each new phrase seemed to take the message in an unexpected direction. The headline r

2016-07-20 所属栏目:科学美国人

If you've gone shopping for a car lately, you might have noticed that fuel economy—the number of miles per gallon—is creeping up. One reason is a more efficient type o

2016-07-18 所属栏目:科学美国人

Sometimes a snout full of snot can be just what the doctor ordered. At least if you’re a dolphin. Because a new study shows that a little bit of mucus helps these marine mamm

2016-07-15 所属栏目:科学美国人

The Explorers Club in New York City—whose members have included Neil Armstrong, Teddy Roosevelt, and the first men to reach both the North and South poles—has a reputat

2016-07-15 所属栏目:科学美国人

Walk through Times Square—you're bombarded with advertising. And it turns out, a bumblebee might have a similar feeling, buzzing through a field of flowers. "So these flower

2016-07-13 所属栏目:科学美国人

“So what does rafting down the Grand Canyon have to do with science education?”Ann Reid, former research biologist and current executive director of the National Center

2016-07-12 所属栏目:科学美国人

Public lands in the U.S. are managed with two goals in mind: protecting biodiversity and providing people with recreational opportunities, a chance to connect with nature. But some

2016-07-11 所属栏目:科学美国人

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 fo

2016-07-08 所属栏目:科学美国人

Half of all fish people eat worldwide now come from fish farms. So farms need to do more to keep up with demand.

“If we look to the future, at today’s per capita fish

2016-07-07 所属栏目:科学美国人

Watch your tone—because it turns out it really isn’t what you say—it's how you say it. At least when it comes to couples in couples counseling. That’s acco

2016-07-06 所属栏目:科学美国人

Mars is a planet of outsized splendor. Despite being only half as big and a tenth as heavy as Earth, it bears the solar system’s tallest mountain, longest canyon and largest

2016-07-05 所属栏目:科学美国人

It may not be the most melodious bit of birdsong you’ll ever encounter. [Titmouse alarm call]. But this particular call, issued by a tufted titmouse, conveys important inform

2016-07-05 所属栏目:科学美国人

Jay Z's "Tidal" platform promises listeners CD-quality streaming music, in all its 44.1 kilohertz, 16 bit glory—much better, they say, than compressed files, like mp3s. But

2016-07-04 所属栏目:科学美国人

The Earth's temperature is rising. And as it does, springtime phenomena—like the first bloom of flowers—are getting earlier and earlier. But rising temperatures aren'

2016-07-01 所属栏目:科学美国人

When it comes to wine, the concept of "terroir" is sort of a nebulous thing. Terroir is sometimes translated as the wine’s character. Here's how my friend Valerie, a wine im

2016-06-30 所属栏目:科学美国人

We’ve all heard the adage: monkey see, monkey do. But it is literally true—if a monkey sees you looking at something, it will look, too. Now, a study shows that this te

2016-06-29 所属栏目:科学美国人

“It's particularly concerning that 56 million Americans a month admit that they drive when they haven't gotten enough sleep and they are exhausted.”Charles Czeisler.

2016-06-28 所属栏目:科学美国人

What has eight legs, eight eyes, and lives together with thousands of others like it? Arachnophobia sufferers do not want to hear the answer—which is, spiders that live in la

2016-06-27 所属栏目:科学美国人

Chocolate may appear to have little in common with crude oil. But production for consumers requires that both substances travel through pipes. And the thicker—that is, the mo

2016-06-27 所属栏目:科学美国人

Chances are, you've had the opportunity to study firsthand the swollen, itchy welt left by a mosquito bite. And now—scientists have too. "Well, we haven't studied itching y

2016-06-24 所属栏目:科学美国人

Summertime in India can be unbearably hot. "And the first thing you want, is, get me some clouds, to cool down." Sudip Chakraborty grew up there, in Kolkata. Where he developed a c

2016-06-23 所属栏目:科学美国人

Mutual relationships are common throughout the animal kingdom. Fish called remoras get a tasty meal by picking bits of dead skin and parasites off of sharks, while the sharks enjoy

2016-06-22 所属栏目:科学美国人

They say that wearing stripes can make you look thinner. Well, lizards don’t care about looking svelte. But their stripes might help them avoid getting caught by a hungry pre