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科学美国人60秒:Supermarket Snacking Boosts Sales
If you’ve spent any time hitting up the giant wholesalers or other markets this holiday season, you’ve probably figured out that you can make a full meal out of the tas
科学美国人2017-12-18-
科学美国人60秒:Something Clicks for Dolphin Identification
Light doesn't travel well underwater. So dolphins and other toothed whales navigate like bats, using echolocating clicks. <click sound>
科学美国人2017-12-15
"They're like lasers of sound they produc -
科学美国人60秒:Nutrition Guidelines Healthy for the Planet, Too
You know those nutrition guidelines the government issues every few years? It turns out that following them isn’t just good for your health. It’s good for the planet, t
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科学美国人60秒:Invading Beavers Turn Tundra to Ponds
When you look at satellite images it’s easy to pick out hurricanes, deserts, and the work of a certain semiaquatic rodent:
科学美国人2017-12-13
“And the reason you can see beaver activity -
科学美国人60秒:Ancient Women Had Awesome Arms
Picture a women’s crew team. Training 18 hours and covering 75 miles in an average week, these athletes are pretty ripped. Yet they don’t hold a bicep to prehistoric fe
科学美国人2017-12-12 -
科学美国人60秒:Sharks Rule the Reef's Underwater Food Chain
Predators like wolves affect their ecosystems by eating their prey. But a more subtle impact involves fear. Predators also terrify prey species. And when, for example, elk are hidi
科学美国人2017-12-12 -
科学美国人60秒:Invasive Frogs Don't Bug Hawaiian Birds
Coquí frogs. They’re named for the sound they make. <Sound> And though just an inch long, a coqui can produce a 90-decibel call—about the volume of a motorcycle
科学美国人2017-12-11 -
科学美国人60秒:How Hospitals Can Dampen the Decibels
Hospitals can be extremely noisy places. <CLIP: hospital noise>
科学美国人2017-12-11
In fact, quietness is one of the lowest-rated categories on national surveys of hospital quality. And: "We know the -
科学美国人60秒:Smarter Management Means More Inventions Get to Market
“In the United States we spend about $160 billion a year on R&D. And so for the last seven years we’ve spent about a trillion dollars. With about 250,000 inventions tha
科学美国人2017-12-08 -
科学美国人60秒:Computers Learn to Use Sound to Find Ships
In The Hunt for Red October, the Soviet submarine captain played by Sean Connery commands his crew to verify the location of a target. <<MOVIE CLIP: "Give me a ping Vasily. One pin
科学美国人2017-12-07 -
科学美国人60秒:Yeti Claims Don't Bear Up
The Yeti. Also known as the abominable snowman. It’s a legendary primate some people believe exists in the Himalayas and adjacent freezing lands. But what do you get when you
科学美国人2017-12-06 -
科学美国人60秒:Republican Voters Not in Denial About Climate
Representative Lamar Smith of Texas, the Republican who heads the House science committee, has long been skeptical of global warming. He has accused government climate scientists o
科学美国人2017-12-04 -
科学美国人60秒:Tech Honcho Wants Innovation for the Bottom Billion
“I think it’s really important for us to use this magical power of invention and innovation to change the lives of people who really needed their lives changed.”
科学美国人2017-12-04 -
科学美国人60秒:Bumper Stickers Make Highways More Social
“You know how it is when you’re driving behind a car and you notice the bumper sticker, and you think to yourself ‘Oh, it’s that kind of person’ or, &
科学美国人2017-12-01 -
科学美国人60秒:Chimps Able to Apprehend Another Chimp's Mind-Set
<alert hoo recording>
科学美国人2017-11-30
That means danger—to a chimpanzee. Chimps use this call, known as an "alert hoo," to warn each other about a potential threat, like a dangerous snake o -
科学美国人60秒:Even without Hands Honeybees Show Handedness
Honeybees. They have a difficult task. First, they have to find food. Then they have to return to the hive to tell their compatriots where to find it. The bees have to fly back and
科学美国人2017-11-29 -
科学美国人60秒:Humpback Whale Flippers Do More Than Maneuver
“Whales move by beating their tails.”
科学美国人2017-11-27
Paolo Segre is a postdoctoral researcher at Stanford.
“And they’ve got these large muscular tails, which they can mo -
科学美国人60秒:A New Recipe for Counting Cranberries
Wisconsin is famous for cheese. But it's also the United States' number one producer of a tart, red fruit that’s on pretty much every Thanksgiving dinner table.
科学美国人2017-11-27
"We have t -
科学美国人60秒:How Fit Is Bitcoin?
There are now more than 16 million bitcoins in circulation, with a total market cap of 130 billion dollars—more than the market value of Netflix, Priceline or Starbucks. Just
科学美国人2017-11-23 -
科学美国人60秒:Salmon Sex Changes Entire Landscape
Sex. It drives people to do crazy things. Animals, too. They’ll make unsettling sounds, perform complex dances or show off giant plumes of colorful feathers. And, famously, s
科学美国人2017-11-22 -
科学美国人60秒:Ancient 1 Percenters Were Beast-Based
The square footage of a home tends to be a measure of wealth. Compare the sizes of dwellings in a city and you'll get begin to get a picture of rich and poor, and how wealth is di
科学美国人2017-11-21 -
科学美国人60秒:Feathers Help This Bird Sound the Alarm
Feathers are not just for flight. They keep birds warm, become part of their nests, and help them attract mates. And for one Australian bird, feathers even help produce an importan
科学美国人2017-11-20 -
科学美国人60秒:Put Space Cat on a Pedestal
Animal astronauts have included monkeys, dogs, mice, and even fruit flies. Most are fondly remembered, except maybe the flies. Laika the dog has a monument in her honor in Moscow.
科学美国人2017-11-17 -
科学美国人60秒:Polluted Water Whale Invents New Feeding Strategy
Baleen whales feed by opening their gigantic maws, lunging forward in the water and engulfing gallons of seawater in their mouths. They strain the seawater back through their balee
科学美国人2017-11-16 -
科学美国人60秒:Insect Brain System Knows What You Want
The goal for a lot of tech companies today: figure out what you, their customer, want next, before you even ask. It's driven by something called similarity search.
科学美国人2017-11-14
"If you go to
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