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科学美国人60秒:Australian Bird Dips Its Dinner
Of the many thousands of species of birds on Earth, only about 25 are known to do something special with their food—they dunk it in water before eating.
科学美国人2017-10-08
Nobody knows for sur-
科学美国人60秒:Tsunami Sent Species on a Transoceanic Trip
The massive earthquake that rocked Japan in March 2011 took thousands of lives. It sent tsunami waves more than a hundred feet high towards northern Japan, where they battered the
科学美国人2017-10-08 -
科学美国人60秒:1 Sneeze, 1 Vote among African Wild Dogs
When is a sneeze more than a sneeze? For African wild dogs, it turns out that sneezes are a form of voting. Gather a bunch of wild dogs together and a sneezing chorus becomes a way
科学美国人2017-10-08 -
科学美国人60秒:This Frog Can't Hear Its Own Calls
In the frog world, romance is often accompanied by a song. "It's the norm. The vast majority of frogs have males calling to attract females."
科学美国人2017-10-08
Sandra Goutte is an evolutionary bio -
科学美国人60秒:Building a Better Mirror for Telescopes
To study the heavens, it's all about the photons. "We in astronomy are always greedy. We want every photon we can collect." Drew Phillips, astronomer at University of California O
科学美国人2017-10-08 -
科学美国人60秒:Galaxies Far, Far Away Send Us Highest-Energy Cosmic Rays
Take any square kilometer of Earth’s surface. About once a year an extraordinary event occurs in the sky directly above that patch of land or sea: the hefty nucleus of a heav
科学美国人2017-10-08 -
科学美国人60秒:Springtime Now Arrives Earlier for Birds
In 1869, the Smiley family purchased a parcel of land about 100 miles north of New York City. Over time, some of their property and much of the surrounding landscape became the Moh
科学美国人2017-10-08 -
科学美国人60秒:Warming Puts Squeeze on Ancient Trees
One of the consequences of a warming world is that high mountain habitats, which used to be too chilly for trees, are heating up. "There is now newly available real estate above wh
科学美国人2017-10-08 -
科学美国人60秒:Rising CO2 Pushes Plants to Drink Sparingly
The Mauna Loa Observatory sits on the side of a Hawaiian volcano, 11,000 feet above the Pacific. And for nearly 60 years, an instrument there has been sniffing the local air—
科学美国人2017-10-08 -
科学美国人60秒:Cannibalism Quells Contagion among Caterpillars
Ben Van Allen collects caterpillars. While doing postdoctoral research at Louisiana State University, Van Allen saw that some of the caterpillars were having others for lunch. Rath
科学美国人2017-10-08 -
科学美国人60秒:Feds Want to Know Who's Protesting Trump
Internet companies often receive requests by law enforcement for customer info to help with ongoing investigations. Rarely, however, will a court order hit up a Web hosting company
科学美国人2017-09-13 -
科学美国人60秒:Windows Vex Bats' Echolocating Abilities
Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce instead—what’s called echolocatio
科学美国人2017-09-12 -
科学美国人60秒:Wetlands Could Save Cities--and Money, Too
As Houston begins recovery efforts from Hurricane Harvey, a new storm threat—Hurricane Irma—is barreling west towards the Caribbean and Florida. We have few defenses ag
科学美国人2017-09-08 -
科学美国人60秒:Rabbit Relatives Reel from Climate Change
Up in California’s High Sierra, above the dense pine forests, rocky habitats reign. And if you look carefully among the boulders, you might see a pika—a rabbit relative
科学美国人2017-09-07 -
科学美国人60秒:Winking Star 6 Centuries Ago Explained
On March 11, 1437, Korean royal astronomers noticed something out of the ordinary in the night sky. "There was a brand new star they'd never seen before, between two of the well-k
科学美国人2017-09-04 -
科学美国人60秒:Grazing Cattle Trim the Menu for Birds
When birds face the destruction of their habitat, some species don’t make it while others survive. But what happens at the very beginning of the process, just as a bird's ha
科学美国人2017-09-04 -
科学美国人60秒:Climate Change Might Shrink Fish
As the world's oceans heat up, salmon are migrating earlier. Plankton are shifting their range. But warmer water temperatures also mean warmer fish—and faster-running metabo
科学美国人2017-08-31 -
科学美国人60秒:A Fruitful Experiment in Land Conservation
In the fight to conserve tropical rainforests, here's a tool you don't often hear about: orange peels. Specifically, 12,000 tons of them, dumped on the land. "You don't usually
科学美国人2017-08-30 -
科学美国人60秒:Recycle Your Eclipse Glasses
<sounds of people watching the total solar eclipse>
科学美国人2017-08-28
You’ve all taken off your glasses by now, along with the family and friends of my friend Dennis Meredith. Because the Gre -
科学美国人60秒:Seeing 1 Solar Eclipse May Not Be Enough
“I expected to have this interesting intellectual experience, and instead it was just completely visceral.”Author and journalist David Baron talking about the first tim
科学美国人2017-08-25 -
科学美国人60秒:Seeing One Solar Eclipse May Not Be Enough
“I expected to have this interesting intellectual experience, and instead it was just completely visceral.”
科学美国人2017-08-24
Author and journalist David Baron talking about the first t -
科学美国人60秒:Solar Eclipse in 1097 May Be Rock Carving Subject
More than 900 years ago, the Pueblo people were thriving in New Mexico’s Chaco Canyon. While they were there, the region experienced what the whole country is looking forward
科学美国人2017-08-21 -
科学美国人60秒:Social Media Sites Can Profile Your Contacts
When you install an app on your smartphone, you’re often asked whether you’d like to share your list of contacts with that app. That might be a convenient way to connec
科学美国人2017-08-21 -
科学美国人60秒:"Textalyzer" Aims at Deadly Distracted Driving
Fifty years ago, British inventors made and marketed the first electronic “breathalyzer”. The alcohol gauge has become standard issue for U.S. law enforcement cracking
科学美国人2017-08-18 -
科学美国人60秒:Climate Change Fires Up Polar Bear Treadmill
Polar Bears spend most of their time roaming the sea ice in search of seals. And seals spend most of their time underneath that ice, avoiding the top predator. But climate change i
科学美国人2017-08-15
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