| 栏目广告位一 |
科学美国人60秒:Human Echolocators Use Tricks Similar to Bats
Many bats use a system similar to sonar to navigate in the dark. They send out high frequency sound, sometimes as clicks, and get information about their surroundings by the timing
科学美国人2018-03-12-
科学美国人60秒:Animal Coloration Can Serve Double Duty
Nature may be red in tooth and claw. But one plucky caterpillar dresses in orange and black to avoid becoming somebody’s lunch. What’s really surprising, though, is tha
科学美国人2018-03-07 -
科学美国人60秒:Some Lichen Fungi Let Genes Go Bye
“Lichens are really cool successful organisms that are composed of at least two symbiotic partners: a fungal partner that provides structure and protection and a photosynthet
科学美国人2018-03-06 -
科学美国人60秒:To See Gun Injury Drop, Hold an NRA Meeting
The annual meeting of the National Rifle Association is coming up in May. It's scheduled for Dallas. And if past events are any guide, gun injuries may actually go down in Texas,
科学美国人2018-03-02 -
科学美国人60秒: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, d
科学美国人2018-03-01 -
科学美国人60秒:Big Cities Have Fewer Tweeters Per Capita
Walking in New York City is almost a competitive sport. <<Midnight Cowboy clip: "Hey! I'm walkin here.">> And people in cities really do walk faster than their country counterpart
科学美国人2018-03-01 -
科学美国人60秒:Needed: Info on Biodiversity Change over Time
“We find that the composition of ecosystems around the world is changing much more rapidly than we expected. Indeed, much more rapidly than ecological theory predicts.”
科学美国人2018-02-28 -
科学美国人60秒: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
科学美国人2018-02-28 -
科学美国人60秒:Boat Noise Means Fish Can't Learn Their Lessons
If you've ever gone snorkeling or scuba diving—you know how peaceful it sounds under there… <<reef sounds>>... aside from the crackling sound of snapping shrimp.
科学美国人2018-02-27
Co -
科学美国人60秒:How Baby Birds Learn to Duet
The word "duet" usually refers to a song. But in a sense, every human conversation is a duet—with unwritten rules about when participants take their turns to speak. You can h
科学美国人2018-02-27 -
科学美国人60秒:Woodpeckers Drum to Their Own Tunes
Humans can recognize each other by voice alone. I sound different from other 60-Second Science reporters, for example. In fact, lots of nonhuman animals, of all types, use voices t
科学美国人2018-02-26 -
科学美国人60秒:Homebodies Economize on Energy Use
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2018-02-26 -
科学美国人60秒: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, d
科学美国人2018-02-24 -
科学美国人60秒:Needed: Info on Biodiversity Change over Time
“We find that the composition of ecosystems around the world is changing much more rapidly than we expected. Indeed, much more rapidly than ecological theory predicts.”
科学美国人2018-02-23 -
科学美国人60秒:Killer Whale Culture Revealed by Mimicking Us
Killer whales, also called orcas, are like dolphins and belugas—they all have a wide vocal repertoire. <<orca sounds>> But orcas also have unique dialects among different pod
科学美国人2018-02-22 -
科学美国人60秒:Holiday Cheer Leads to Birth-Rate Spike
In the United States, there’s a holiday that goes hand in hand with romance. So much so that nine months later, there’s a spike in the number of babies born. Valentine&
科学美国人2018-02-22 -
科学美国人60秒:Undersea Recordings Reveal a Whale's Tale
One of the drawbacks of researching blue whales is that most of the time you can't see what your study subjects are doing, or how many there are—or even, where they are. Sat
科学美国人2018-02-21 -
科学美国人60秒: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
科学美国人2018-02-21 -
科学美国人60秒:Beetle Liberation Due to Regurgitation
If you’re a fan of nature shows, you’ve probably heard of the bombardier beetle. When disturbed, this weaponized insect can spray a boiling hot jet of noxious chemicals
科学美国人2018-02-19 -
科学美国人60秒: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.”
科学美国人2018-02-19
David Lindenmayer. He studies co -
科学美国人60秒:Boat Noise Means Fish Can't Learn Their Lessons
If you've ever gone snorkeling or scuba diving—you know how peaceful it sounds under there… <<reef sounds>>... aside from the crackling sound of snapping shrimp.Compa
科学美国人2018-02-13 -
科学美国人60秒:Woodpeckers Drum to Their Own Tunes
Humans can recognize each other by voice alone. I sound different from other 60-Second Science reporters, for example. In fact, lots of nonhuman animals, of all types, use voices t
科学美国人2018-02-12 -
科学美国人60秒:Homebodies Economize on Energy Use
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2018-02-08 -
科学美国人60秒:Killer Whale Culture Revealed by Mimicking Us
Killer whales, also called orcas, are like dolphins and belugas—they all have a wide vocal repertoire. <<orca sounds>> But orcas also have unique dialects among different pod
科学美国人2018-02-07 -
科学美国人60秒:Holiday Cheer Leads to Birth-Rate Spike
In the United States, there’s a holiday that goes hand in hand with romance. So much so that nine months later, there’s a spike in the number of babies born. Valentine&
科学美国人2018-02-05
| 栏目广告位二 |
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