This is Scientific American 60 Second Science, I am Mariette DiChristina. Got a minute? Maybe you've heard that sound. It's an Orca, a killer whale. We know that whales have a kind of language. Families and closely related groups even share dialects.

发表于:2018-12-24 / 阅读(58) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 second science, I am Amy Kraft, Got a minute? Newly licensed drivers who make sharp turns and come to sudden screeching stops are nerve-wracking. And now theres evidence to confirm that erratic driving by teens predicts

发表于:2018-12-24 / 阅读(74) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 second Science, I'm Sophie Bushwick, got a minute In the lab, female rodents sometimes terminate their pregnancies after being exposed to new males. Its called the Bruce effect, for researcher Hilda Bruce. Now a study i

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 second Science, I am Christopher Intagliata, got a minute? It's no secret cigarettes can yellow your teeth. But tobacco smoke has another, unseen effect. It can wipe out the healthy bacteria in your mouth, leaving the f

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 second Science, I'm Steve Mirsky, got a minute? In science, citations are gold. A journal article that gets cited a lot is usually considered a valuable piece of work. Now comes a study claiming that the number of times

发表于:2018-12-24 / 阅读(139) / 评论(0) 分类 Scientific American(二)月

Happy new year and dont feel bad about taking today off, after all, youve travelled far. And Im not talking about the trip home from the party. According to NASA, just by being on the planet earth last year, youve zipped about 584 million miles aroun

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(一)月

Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl

发表于:2018-12-24 / 阅读(85) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Stand at the bottom of a big hill and you can exhaust yourself just thinking about climbing it. But a new study suggests it's not as bad as it looks. Bec

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 Scientific American(二)月

This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(七)月

Spring is in the air. And so are those dang insects, hungry for a blood meal. The victim can wind up with a bunch of bites, red and itchy. So what drugs can quench that itch? Maybe none, according to a study in the Drug and Therapeutics Bulletin. Res

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 Second Science, I'm Cynthia Graber, this will just take a minute~ You know the sceneits a Friday night, and your date just canceled. Youre bummed, maybe a little hurt. You think now might be a good time for a beer, mayb

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 second Science, I am Cynthia Graber, got a minute? Now's a great time to break out that backyard telescope. Because Saturday, March 3, is the Mars opposition. It's one of the times that the Earth and Mars pass the close

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(三)月

It's tough to be a machine in the desert. Particles of dirty sands walk their way in to moving parts where they break turbine's motors pipes on other equipment.To avoid the costly warranty, researches are taking lessons from a desert native, the yell

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(二)月

This is scientific American sixty seconds sicience. I am Cynthia Graber.That's all just take a minute.There is an easy way to acarch people to take stairs to stand elevator put a sign to remind them to. Study have found that science works but those e

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(二)月

Advertisers will has dropped 3500,000,000 dollars for a the thirty seconds spot onduring the Sunday's Super Bowlcerticles. But to get the most bangd for their buckbowl, they might want to play their ads right after the game ends, not during it. Becau

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(二)月

This is scientific Americans, 60 second science, I'm Sarah Fecht. Got a minute Thats not a bird whistling. This sound was recorded 2000 feet below the oceans surface. Scientists postulated decades ago that deep-sea animals might use sound to navigate

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(二)月

How healthy are you? Your best guess might be pretty accurate: Researchers found that people who gave their health a positive rating were less likely to fall ill or die over the next 30 years than were those who thought they werent as healthy. The wo

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 second Science, I'm Cynthia Graber, got a minute? Were not the only animals that like to knock back the hard stuff. Studies have shown that some mammals seek out food and drink that naturally contains alcohol. And accor

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 second Science, I'm Steve Mirsky, got a minute? In science, citations are gold. A journal article that gets cited a lot is usually considered a valuable piece of work. Now comes a study claiming that the number of times

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60 second Science. I'm Sophie Bushwick. Got a minute. Champane, do you drink it out the narrow flute or the the broader, more shallow coupe ? You may notice that your perception of the buble wine chaneled gas escaped from

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 Scientific American(二)月