标签:Genes 相关文章
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
This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will take a minute. For those of you who love a tall tale, the list of genetic variations that determine human height has just experienced a growth spurt. The findings were publish
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Crohns disease is a real pain in the gut. This inflammatory disorder can lead to some serious intestinal difficulties. And heredity is partly to blame: som
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
Two years ago, Duke University Medical Center researchers said that the supposedly useless appendix is actually where good gut bacteria safely hide out during some unpleasant intestinal conditions. Now the research team has looked at the appendix ove
以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。 一、泛听建议: 1、完整听一遍,掌握大意。 2、继续听,特
[00:04.83]Last month, delegates from more than one-hundred nations approved the first international treaty [00:12.54]about trade in products made by processes of genetic engineering. [00:18.00]Genetic engineering involves changing the genes of living
Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On this Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm an
DEVELOPMENT REPORT - Report Says Six Percent of Babies Are Born with Genetic DisordersBy Jill Moss Broadcast: Monday, February 06, 2006 I'm Steve Ember with the VOA Special English Development Report.
97 对人类基因数量的质疑 SCIENCE REPORT September 20, 2001: Number of Human Genes QuestionedBy George Grow (Start at 1'01
He Jiang, the first person from China to deliver a Harvard University commencement address, has made the 2017 Forbes 30 Under 30 List. 近日,首位在哈佛大学毕业典礼上致辞的中国人何江入选了2017年《福布斯30岁以下30位俊杰
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Spending your life hanging out at the seaside might sound like easy living. But for marine mussels, a day at the shore is no walk on the beach. Clinging
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Why bother with sex? Its a question thats bugged biologists since they first noticed that some critters do it and some dont. The answer theyve come up wi
This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo
Some people of Italian ancestry, like me, might have a surprise in the family treea man of east Asian descent, who was living and working 2,000 years ago in the boondocks near the heel of the Italian boot. The discovery is the first good evidence of
This is Scientific Americans 60 Second Science, I am Rose Eveleth. Got a minute? Sound and touch may seem completely separate, except possibly when playing the game Operation. But it turns out that the two senses are actually quite entwined: a new st
The Justice Department has unsealed terrorism charges against the man who has been linked to a Somali terrorist group called Al-shabaab. Authorities say he had bomb-making instructions in his possession when he was arrested. NPRs Dina Temple-Raston r
It's no secret that good genes can explain why some people age well. But researchers said last Thursday they have identified a specific gene variant that can make people look about two years older than their actual age. 众所周知,有些人看起来
Getting too little sleep for several nights in a row disrupts hundreds of genes that are essential for good health, including those linked to stress and fighting disease. 连续几个晚上睡眠过少会扰乱数以百计对身体健康必不可少的