This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. Next time you are shoveling snow off your walk, don't blame the weatherman, blame bacteria. Because an international team of scientists has found that micr

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. Being a big fish in a small pond is more likely to get you noticed. Thats good news if you are, say, the best pitcher in your little league division, but

发表于:2018-12-24 / 阅读(62) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I am Karen Hopkin, this will just take a minute. If youve ever given any thought to the life style of the hermaphrodite, its probably occurred to you that being both male and female doubles your chance

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. When it comes to flu shots, the more the merrier. Happily, that doesnt mean you need to get jabbed more than once. What it does mean, according to two re

发表于:2018-12-24 / 阅读(41) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If youve ever spent time with toddlers, sooner or later youll hear the word Mine! Its usually followed by an adult saying, Now, now, you have to learn to

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Cities have a lot to offer: theater, music, restaurants, birds. Yes, birds. But city birds are not like other birds. Because big cities are inhabited by

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Karen Hopkin. This will just take a minute. The Last Supper. The final time that the apostles shared a meal with Jesus. They gathered together, listened to a sermon and really chowed down. At least

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science, I'm Karen Hopkin. This'll just take a minute. What do a carnivorous sponge, a lobular yam and a flat-faced psychedelic frogfish all have in common? They're among the Top 10 Species first described in 2

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Seconds Science. I'm Karen Hopkin. This will just take a minute. Elephants. Theyre the SUVs of the animal kingdom. Theyre big and rugged, and can carry lots of cargo. And now a study in the Proceedings of the National

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Well, did you see the thing about why people on cell phones are so annoying? I know, right? Because you only hear... Oohp, I gotta go. Sorry. I know that

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will take just a minute. Spend any time in a bar, and sooner or later youll hear, Ill have what shes having. It sounds like a bad pickup line, but there may be an actual biological

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Weve all gotten e-mails warning us about nasty computer viruses. Maybe you even have antivirus software installed on your machine. Well, now scientists s

发表于:2018-12-24 / 阅读(62) / 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. You may have noticed that as you get older, you start forgetting more stuff: like, where you left your glasses, or the names of your children. Well, if y

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 2005, Steven Johnson wrote a book called Everything Bad is Good For You. He proposed that popular culture is actually making us smarter. Because thing

发表于:2018-12-24 / 阅读(62) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If youve ever popped open a jar of the pickled fish, you know that herring like to stick together. Actually, its something they do naturally, even before

发表于:2018-12-24 / 阅读(129) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If all you have is a hammer, they say that everything looks like a nail. But when you use that hammer, it looks like you are arm to your brain anyway. A

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr

发表于:2018-12-24 / 阅读(66) / 评论(0) 分类 Scientific American(五)月

Hey! I've been here for days! 喂!你们关了我这么久 I want to know about my son! No! 我想知道我儿子的事!不要 Don't. Karen? Sorry for this, Tom. I hope you're not afraid. 够了。凯伦。我很抱歉,汤姆。希望你不要害

发表于:2019-01-01 / 阅读(95) / 评论(0) 分类 陨落星辰第二季

AMERICAN MOSAIC - Investigating Crimes the Scientific Way: Secrets of Forensic MedicineBy Dana Demange, Jill Moss and Nancy Steinbach Broadcast: Friday, April 28, 2006 (MUSIC) HOST: Welcome to AMERICA

发表于:2019-01-02 / 阅读(56) / 评论(0) 分类 2006年慢速英语(四)月