栏目广告位一 |
-
科学美国人60秒:Traces of Genetic Trauma Can Be Tweaked
In recent years researchers have learned that trauma can be inherited—passed down due to changes in DNA, what’s known as epigenetics. But researchers recently uncovered
科学美国人2017-04-20 -
科学美国人60秒:Species Split When Mountains Rise
The tropics are well known for their biodiversity. But another hotspot? Mountains. Like the Hengduan Mountains, in south-central China. "It'll look very much like this kind of fam
科学美国人2017-04-17 -
科学美国人60秒:Shoelace Study Untangles a Knotty Problem
You’re strolling down the street or maybe hauling that load of laundry down a flight of stairs when all of a sudden. [sound fx] Your laces come undone. If you’ve ever p
科学美国人2017-04-14 -
科学美国人60秒:World Parkinson's Day Puts Spotlight on Condition
“Parkinson’s is the second-most common neurodegenerative disease.”Neuroscientist Todd Sherer, CEO of the Michael J. Fox Foundation for Parkinson's Research. Fox,
科学美国人2017-04-13 -
科学美国人60秒:Cave Dwellers Battled Bed Bug Bites, Too
Picture a prehistoric human encampment, in a cave. What do you see? Maybe some animal hides, bones from last night's dinner, a small fire? But what you might not picture are the o
科学美国人2017-04-12 -
科学美国人60秒:Extreme Storms Are Extreme Eroders
In 2013, a rare September storm swept across the plains of Colorado. When it hit the Rockies, it dropped more than a foot of rain in places like Boulder—as much as the city s
科学美国人2017-04-07 -
科学美国人60秒:Spiders Gobble Gargantuan Numbers of Tiny Prey
By now, you may have heard about a study that came out a couple of weeks ago about spiders. The study got a lot of attention because coverage of the research often focused on the i
科学美国人2017-04-06 -
科学美国人60秒:Your Cat Thinks You're Cool
We tend to see house cats as aloof and independent, mostly preferring to engage in their own kitty business. But that assumption may be littered with error. Because a new study fin
科学美国人2017-04-05 -
科学美国人60秒:Exoplanets Make Life Conversation Livelier
Astronomers have catalogued more than 3,500 exoplanets since the first one was found in 1988.
科学美国人2017-03-30
“Part of the revelation and the revolution that’s going on is that actual -
科学美国人60秒:Bring Bronx Zoo To Your Living Room
“There are a lot of misconceptions about what zoos and aquariums are today in the 21st century.”Jim Breheny, Director of the Bronx Zoo—and Executive Vice Presiden
科学美国人2017-03-27 -
科学美国人60秒:UV Rays Strip Small Galaxies of Star Stuff
The sun spews out ultraviolet radiation—that's why you put on sunscreen. But the sun isn't the only UV-producing celestial body. "Stars and supermassive black holes produce
科学美国人2017-03-27 -
科学美国人60秒:Aggressed-Upon Monkeys Take Revenge on Aggressor's Cronies
Don’t mess with a monkey. Because if you do, he’s might take revenge—on your family and friends. That’s according to a study of Japanese macaques, which sho
科学美国人2017-03-23 -
科学美国人60秒:Chaotic Orbits Could Cause Catastrophic Collision
Isaac Newton said, “I can calculate the motion of heavenly bodies, but not the madness of people.” He meant that while people can be unpredictable, the planets are just
科学美国人2017-03-22 -
科学美国人60秒:Pulling the String on Yo-Yo Weight Gain
“We focus on what is called recurrent obesity or yo-yo obesity, which is a feature which affects close to 80 percent of all overweight individuals worldwide.”
科学美国人2017-03-21
Eran Eli -
科学美国人60秒:Poverty Shaves Years off Life
Back in 2011 member countries of the World Health Organization, the WHO, came up with a plan to cut mortality from noncommunicable diseases 25 percent by the year 2025. The program
科学美国人2017-03-20 -
科学美国人60秒:Pollinators Shape Plants to Their Preference
Honeybees are the charismatic microfauna of the pollination world. But flies, bumblebees, butterflies and moths—they all pollinate, too. With varying degrees of success. The
科学美国人2017-03-20 -
科学美国人60秒:Low Biodiversity Brings Earlier Bloom
As climate change dials up global temperatures, one effect is an earlier flower bloom. But it turns out there's another factor that also means faster flowering: a loss in biodiver
科学美国人2017-03-17 -
科学美国人60秒:Early-Life Microbes Ward Off Asthma
“Asthma is a very prevalent disease in our society now. It wasn’t so 50 years ago. And we now realize that the very early life microbes seem to have set you up or not f
科学美国人2017-03-16 -
科学美国人60秒:(Probably Not a) Giant Alien Antenna
The Earth is studded with telescopes, listening for electromagnetic radiation from the great beyond. And a decade ago, astronomers stumbled upon a mysterious signal: a powerful pul
科学美国人2017-03-15 -
科学美国人60秒:Jupiter Moon to Be Searched for Life
“And this mission would be NASA’s first mission that is directly tasked with searching for signs of life on another world since the Viking Spacecraft were given that ta
科学美国人2017-03-13 -
科学美国人60秒:Teeth Hint at a Friendlier Neandertal
The paleo diet—it's pretty trendy. Eat like a caveman, no dairy, grains, sugar and so on. But what you probably won't find on many paleo plates today?
科学美国人2017-03-13
"Pine nuts and moss -
科学美国人60秒:Forensic Science: Trials with Errors
“We have increasing doubts about this evidence, but we don’t feel yet that we have the scientific knowledge and basis to exclude it altogether.”Jed Rakoff, United
科学美国人2017-03-09 -
科学美国人60秒:How to Find Loooong Gravitational Waves
In 2016 the Laser Interferometer Gravitational-Wave Observatory, LIGO, made the first accepted detection of gravitational waves.
科学美国人2017-03-08
“So any time you move a mass it produces a g -
科学美国人60秒:Biggest Rivers Are Overhead
Back in January, one of California's oldest and most iconic residents keeled over: the Pioneer Cabin tree, a giant sequoia in Calaveras Big Trees State Park…so big you used
科学美国人2017-03-07 -
科学美国人60秒:Last Woollies Had Mammoth Mutations
In their heyday, woolly mammoths blanketed the Siberian steppe, Alaska and large parts of North America. But by 10,000 years ago, warming climates had turned many of the grasslands
科学美国人2017-03-06
栏目广告位二 |