栏目广告位一 |
-
科学美国人60秒:Sea Level Rise Could Inundate the Internet
The big hurricanes last summer—Harvey, Irma and Maria—knocked out internet service for many residents. But another threat to the internet is just regular old sea level
科学美国人2018-07-24 -
科学美国人60秒:Astronomy Tool Helps ID Sharks
It’s called the whale shark. And, as the name implies, it’s huge. In fact, it’s the largest living fish in the world. But there’s still much unknown about t
科学美国人2018-07-23 -
科学美国人60秒:Mammals Moonlight around Human Settlements
Homo sapiens has an outsized influence on the behavior of other animals. We have long hunted them. More recently, we destroy habitats to build housing and coffee shops, and we buil
科学美国人2018-07-20 -
科学美国人60秒:Jupiter's Moon Total Hits 79
How many moons does Jupiter have? If you said four, you might be Galileo. If you said 69, you were right. Until the announcement this morning by the International Astronomical Unio
科学美国人2018-07-19 -
科学美国人60秒:Moths Evade Bats with Slight of Wing
If you've ever watched a moth flutter clumsily around a light on your porch, the insect might seem like a sad match for a predatory bat. The flying mammal is practically a fighter
科学美国人2018-07-18 -
科学美国人60秒:Science News You Might Have Missed
Hi, I’m Scientific American podcast editor Steve Mirsky. And here’s a short piece from the July 2018 issue of the magazine, in the section called Advances: Dispatches f
科学美国人2018-07-17 -
科学美国人60秒:Smart Mouth Guard Senses Muscle Fatigue
During intense exercise—sprinting, for example—your body breaks down glucose and produces what’s called lactate. That substance can build up faster than it can be
科学美国人2018-07-16 -
科学美国人60秒:Favorite Wine Grapes May Need Genetic Help
“The general public, if you look at the broad numbers, it’s like 60 percent of vineyards around the world, in the New World, have been planted with just five or six var
科学美国人2018-07-16 -
科学美国人60秒:Iridescence Could Help Critters Hide in Plain Sight
A good disguise keeps you hidden, right? Well, sometimes the best disguise is actually the most dazzling. Because research reveals that flashy metallic iridescence can visually baf
科学美国人2018-07-11 -
科学美国人60秒:Primate Conflicts Play Out in the Operating Room
When primatologists observe chimpanzees, they take note of activities like fighting, playing, touching, and grooming. And it turns out you can learn a lot about humans—we are
科学美国人2018-07-09 -
科学美国人60秒:Sharks Make a Splash in Brooklyn
“The nine incredible galleries will feature 115 species of marine life held in 800,000 gallons of water. And this includes 18 species of sharks and rays.”
科学美国人2018-07-06
Cristi&aacut -
科学美国人60秒:City Life Favors Downsized Invertebrates
Most critters seem better able to survive big cities if they’re smaller than usual. But a few others are better adapted to urban areas if they’re larger. That's the re
科学美国人2018-07-05 -
科学美国人60秒:People Ration Where They Roam
Tally up all your "regular spots"—places you visit on a weekly basis like restaurants, markets, parks. And what do you get? A new study says that most of us limit our hangout
科学美国人2018-07-04 -
科学美国人60秒:Humans Can Size One Another Up with a Roar
<lion roar sound>
科学美国人2018-07-03
The animal kingdom is full of species that use sound—growls and bellows and roars—to signal size. Dogs do it. <dog growls> Red deer do it. <red deer -
科学美国人60秒:Piano Lessons Tune Up Language Skills
Musicians are said to have better language skills. And scientific studies have backed that up. But it's not clear why that might be the case.
科学美国人2018-06-29
Now a study of 74 Chinese kindergar -
科学美国人60秒:Cardinal Rule: Female Birds Sing, Too
<Bird singing> That’s a female Northern Cardinal. And here’s a female Venezuelan Troupial. <bird singing> Many people assume that male songbirds are the ones doing the
科学美国人2018-06-27 -
科学美国人60秒:Bird's Song Staying Power Implies Culture
Travel the U.S. and you'll hear English spoken in a multitude of ways. And it turns out the same can go for songbirds—specifically the swamp sparrow. <swamp sparrow sound>Sc
科学美国人2018-06-26 -
科学美国人60秒:Alaskan Beluga Whales Ace Hearing Exam
Beluga whales rely on a sharp sense of hearing to communicate, to navigate and to feed. <beluga sounds> But the ocean is a noisy place. There's commercial shipping, navy sonar, oi
科学美国人2018-06-25 -
科学美国人60秒:Fat-Carb Combo Is a Potent One–Two Punch
Potato Chips! Does the mere mention of the salty snack send you searching for a vending machine? Well, you can blame the one–two punch of fat and carbohydrates. Because a new
科学美国人2018-06-22 -
科学美国人60秒:Jupiter Crackles with Polar Lightning
Thirty-nine years ago, Voyager 1 swung by Jupiter on its journey to interstellar space. As it did, it picked up spooky low-frequency radio signals <CLIP: Voyager 1 whistlers>
科学美国人2018-06-20
The -
科学美国人60秒:Coral Reefs Keep Costly Waves at Bay
Coral reefs are already appreciated for their beauty. But they provide another, more tangible benefit, too.
科学美国人2018-06-19
"Every day waves are coming ashore. And of course during storms you mig -
科学美国人60秒:Hippo Dung Fouls Up Freshwater Fisheries
They weigh about 3,000 pounds and eat about 100 pounds of plants each day. So your average adult hippo produces quite a lot of poop. By some estimates, a single hippo blasts out mo
科学美国人2018-06-19 -
科学美国人60秒:A Litmus Test for Bad Breath
Need a quick breath check before your big meeting…or your big date? Well, scientists from South Korea may be able to help. They’ve engineered a portable device that de
科学美国人2018-06-15 -
科学美国人60秒:Prez (of AMA) Issues Call to Arms-Science
“On average, gun violence claims the lives of nearly 100 people a day in the United States. People are dying of gun violence in our homes, in our churches, in our schools, on
科学美国人2018-06-14 -
科学美国人60秒:Powder Pulls Drinking Water from Desert Air
It's an idea straight out of Star Wars: suck the humidity from dry desert air, and turn it into drinking water.
科学美国人2018-06-12
<<Star Wars: Episode IV—A New Hope: "What I really need is a
栏目广告位二 |