This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. We like to think were pretty sophisticated when it comes to voting for politicians. Oh, sure, weve all heard that the taller guy usually wins. But were

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

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's Sixty-Second Science. I'm Cynthia Graber. This'll just take a minute. This podcast is one minute long. If you listen while going for a walk in a park or working in a garden, youre 20 percent of the way to giving your men

发表于:2019-01-08 / 阅读(68) / 评论(0) 分类 Scientific American(五)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(72) / 评论(0) 分类 Scientific American(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Think of the weirdest creatures you've ever seen in a sci-fi film. Now think of this: there are far stranger, albeit smaller, critters living in your o

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Climate change affects seasonal eventsspring flowers open earlier, songbirds breed sooner. But what about mammals? A new study documents the effect on a

发表于:2019-01-08 / 阅读(62) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Grabera. This will just take a minute. Keeping the brain active and engaged appears to combat the cognitive decline associated with getting older. Now a study has found a new, but related,

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Pasteurization makes food safe by heating microbes to death. But the high temperatures can destroy some nutrients too. A possible alternative? Ultrahigh

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conventional poultry farms use antibiotics extensively, which contributes to the rise of antibiotic-resistant pathogens. But farms that turn to organic

发表于:2019-01-08 / 阅读(54) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Many people love what they consider a suntan's healthy glow. But the color you get from eating vegetables might be the most attractive glow of all. Tha

发表于:2019-01-08 / 阅读(201) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(137) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mark Twain called it the most delicious fruit known to men. He was talking about the cherimoya. If you never heard of it, there's good reason. It has a

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Thats a sound that inspires fear around the world: the dentists drill. And fear of that sound itself could play a part in keeping some people from gettin

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(一)月

This is Scientific American 60 Second Science, I am Cythia Graber, this will just take a minute~ Many Christians give up meat for Lent, a practice that indirectly affectshyenas, believe it or not. In northern Ethiopia, hyenas have become accustomed t

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60 second Science, I am Cynthia Graber, This will just take a minute. Scientists are looking for Earth-like planets around other stars. But one way to limit the search can be to figure out where an Earth-like planet canno

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 Scientific American(五)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(87) / 评论(0) 分类 Scientific American(三)月

If you are hungry, what do you do? Grab a piece of your favorite meal and stay quiet after that? Just like your stomach, even your mind is hungry. But it never lets you know, because you keep it busy thinking about your dream lover, favorite star and

发表于:2019-01-08 / 阅读(45) / 评论(0) 分类 英语美文

Honestly! I was in the middle of an important call. 老实说!我正在打一个非常重要的电话。 Yeah, and you never got see those firemen in action, did you Denise? 是啊,而且你再也不能看见那些消防员了,是吧丹尼斯?

发表于:2019-01-14 / 阅读(65) / 评论(0) 分类 职场英文口语