This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in Physiology or Medicine goes to Bruce Beutler at the Scripps Research Institute in California, Jules Hoffmann at the French National Center for Sc

发表于:2019-01-08 / 阅读(48) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in Physics goes to Saul Perlmutter at the Lawrence Berkeley National Lab, Brian Schmidt at the Australian National Lab and Adam Reiss at Johns Hopki

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Amy Kraft. Got a minute? Over the course of this campaign... A lot of people watch political debates on TV. Which means great opportunities for advertisers. But an ad for an island getaway or exoti

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(十)月

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(49) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? Earth's surface is dominated by oceans. But where did all that water come from? Asteroids and comets smashing into the early Earth have long been thought to be a promisin

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It sounds either really crazy, or kind of obvious. But according to new research, pick-up soccer could help homeless men avert the risk of an early dea

发表于:2019-01-08 / 阅读(39) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? Jiminy Cricket may not actually hold the door open for his lady friends, but he can still be chivalrous: researchers from the University of Exeter discovered that whe

发表于:2019-01-08 / 阅读(49) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? (The) most obvious effect of birth control pills is, well...birth control. But the pill may have subtler effects, too. Like influencing which guy a woman goes

发表于:2019-01-08 / 阅读(51) / 评论(0) 分类 Scientific American(十)月

Most obvious effect of birth control pill is, well, birth control. But the pill may have subtle effects, too. Like influencing guy which women goes for, in her satisfaction with him, in bed and out. So says study in the Journal Proceeding of Royal Sc

发表于:2019-01-08 / 阅读(37) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Believe it or not, violence has been in decline for long stretches of time. And today we are probably living in the most peaceful time in our species' existence. Harvard

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. A new archaeological find may signify one of the great leaps in human cultural and cognitive history. Because researchers have discovered a 100,000-yea

发表于:2019-01-08 / 阅读(63) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? How do you know the moon is not made of green cheese? Theoretical physicist Sean Carroll at the ScienceWriters2011 conference in Flagstaff on October 17th. Well, we know

发表于:2018-12-24 / 阅读(42) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? We produce nine billion food animals in the United States every year. And most of these animals are fed antibiotics throughout their life. And it's the single greatest u

发表于:2018-12-24 / 阅读(32) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? With the loss of these one, two, maybe 10 million bat individuals in these populations, what are the implications? Bats in the U.S. are being plagued by a fungal conditi

发表于:2018-12-24 / 阅读(45) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Rose Eveleth. Got a minute? Can you tell the difference between a pill and an MM? Can your toddler? Candies and medicine often look similar but confusion between these shiny morsels could be very d

发表于:2018-12-24 / 阅读(40) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? West Nile virus first appeared in North America in 1999. And it quickly moved across the continent. Now a study has pinned the proliferation on a particular culprit:

发表于:2018-12-24 / 阅读(40) / 评论(0) 分类 Scientific American(十)月