2017-08-07 所属栏目:科学美国人

In January 2014, an epic cold wave swept across the southeast—a "snowpocalypse" so severe that thousands of drivers in Atlanta abandoned their cars on icy highways and Inters

2017-08-07 所属栏目:科学美国人

The Mediterranean diet is well known for its heart-healthy effects. It even sounds healthful: lots of fruits and veggies, whole grain and legumes. Plus olive oil, a bit of red wine

2017-08-02 所属栏目:科学美国人

What does panic sound like? <<clip of Homer Simpson scream>> Like that, for sure. But also like this <<pig sound>>. And this <<chickadee sound>>. But maybe you already knew that. B

2017-08-01 所属栏目:科学美国人

Songbirds produce a rich repertoire of sounds: songs, of course, but also chatter calls, flight calls and alarm calls: like this high-pitched warning from a black-capped chickadee:

2017-07-31 所属栏目:科学美国人

We all know money can&rsquo;t buy happiness. But according to a recent study, there may be a loophole. A team of researchers finds that shelling out for services that save time can

2017-07-27 所属栏目:科学美国人

Perhaps the chief poster child of antibiotic resistance is methicillin-resistant Staphylococcus aureus, or MRSA. The bacterium is impervious to a suite of antibiotics, and can caus

2017-07-26 所属栏目:科学美国人

What sort of scenery do you find most appealing? Researchers in the U.K. asked volunteers that question, through an online photo-rating game, and the result was sort of what you'd

2017-07-20 所属栏目:科学美国人

As soon as a person dies, decomposition begins. And the first visitors arrive. "Within five to 15 minutes of death, blowflies or other insects begin to colonize the body." Rabi Mus

2017-07-18 所属栏目:科学美国人

Ninety-nine years ago, a magnitude 7.3 earthquake hit Puerto Rico. It also caused a tsunami that swept through coastal towns. All told, the shaking and flooding killed more than 10

2017-07-13 所属栏目:科学美国人

Your skin—like many other parts of your body—is crawling with microscopic critters. "It's a microbial zoo in a sense." Heidi Kong, a dermatology researcher at the Nati

2017-07-10 所属栏目:科学美国人

Besides helping to create the United States of America, Benjamin Franklin of course invented the lightning rod. Which sits atop buildings and protects them by attracting lightning

2017-07-05 所属栏目:科学美国人

Grillmasters already know that a cold brew is a fine companion at the barbecue. So here's some science to toast to—marinating meat in beer actually cuts the number of potent

2017-07-03 所属栏目:科学美国人

In President Trump's June 1st speech withdrawing the U.S. from the Paris Climate Accord, he claimed the climate agreement was costing American workers. In a whole lot of ways: "In

2017-07-03 所属栏目:科学美国人

Computers transmit information in bits: 0&rsquo;s and 1&rsquo;s. Off or on. But in quantum computers, that off/on logic becomes more flexible. Because the bits in quantum computing

2017-06-29 所属栏目:科学美国人

One of the things that makes your smartphone so smart is that if you pull it out in the sun, it senses that—and dials up the screen brightness to compensate. But it's not a

2017-06-27 所属栏目:科学美国人

Summer&rsquo;s here and it won&rsquo;t be long before school-aged kids across America start complaining that they&rsquo;re tired&hellip;of riding their bikes, playing at the park,

2017-06-26 所属栏目:科学美国人

For more than ten thousand years, Alaska Native and Canadian First Nations people have lived along the Northwest coast of North America. Now, ancient remains have provided genetic

2017-06-23 所属栏目:科学美国人

If you've ever pulled a rolling suitcase through the airport, chances are you've also been annoyed by this common occurrence: the suitcase starts rocking back and forth on each w

2017-06-22 所属栏目:科学美国人

[wolf sound]

Wolves are vital players in various ecosystems. So we humans need to develop a better tolerance for wolves. And the wolves need more space. That&rsquo;s according to

2017-06-21 所属栏目:科学美国人

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 aki

2017-06-20 所属栏目:科学美国人

As climate change warms the Arctic, sea ice there is disappearing at record rates—sea ice that polar bears prefer to prowl. As a result, some bears are spending more time on

2017-06-16 所属栏目:科学美国人

If you're a savvy traveler, when you hunt for a hotel you probably search TripAdvisor for any mention of bed bugs. But here's the dirty secret behind those bed bug sightings: "Th

2017-06-15 所属栏目:科学美国人

“The opioid epidemic is a national crisis that should not be underestimated.” That&rsquo;s a quote from a June 1st New England Journal of Medicine perspective piece by

2017-06-14 所属栏目:科学美国人

It may sound strange, but scientists are celebrating the survival and spread of tens of thousands of mosquitoes they released in Northeastern Australia. The whole thing makes more

2017-06-09 所属栏目:科学美国人

What comes to mind when you think of Alaska? Probably snow. And ice. And extreme cold. But what about tomatoes?

In fact, agriculture is booming in the 49th state. Because in the l