This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(五)月

If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i

发表于:2019-01-08 / 阅读(57) / 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. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy

发表于:2019-01-08 / 阅读(54) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? One of the dreams of biomedical scientists is to be able to transform adult cells into other kinds of cells. And thus avoid some of the ethical concerns of working with

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For years, scientists and physicians have been up in arms about the rise in antibiotic resistance. Seems that many bacteria, devious buggers that they ar

发表于:2019-01-08 / 阅读(56) / 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. A new study with worms shows that some have a gene that helps them stave off infections. Not through some kind of biochemistrybut by changing their behav

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(一)月

If the human genome is the book of life, then Crispr technology is its Microsoft Word. The cut-and-paste technique, invented only three years ago, can be used on fledgling genomes to snip out bits of DNA and, if required, insert new stretches. 如果说

发表于:2019-01-08 / 阅读(46) / 评论(0) 分类 英语新闻

Whether a cup of java will leave you craving more could be chalked up to your genes. 一杯咖啡是否会使你上瘾也许是由你的基因决定的。 People with a newly identified genetic variant in their DNA, called PDSS2, may be inclined to d

发表于:2019-01-08 / 阅读(28) / 评论(0) 分类 实用英语

Drug firms and cancer Lucrative lifesavers 医药公司和癌症 利润丰厚的救星 The hopes and perils of betting on cancer treatments 癌症治疗的希望和风险 NEW weapons are emerging in the war on cancer. 在对癌症的战争中不断有新

发表于:2019-01-11 / 阅读(40) / 评论(0) 分类 经济学人商业系列

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about a fat cell gene linked to colon cancer. We will also tell about new developments in the fight against the

发表于:2019-01-11 / 阅读(75) / 评论(0) 分类 VOA慢速英语2008年(十一)月

Where Do We Come From? 我们来自哪里? Would you like to know where your ancestors came from? British and American scientists may have found answers for you. They have developed a new algorithm to study deoxyribonucleic acid, also known as DNA --

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2014年VOA慢速英语(八)月

Health Hackers: Alzheimers Patients Help Themselves 健康黑客:阿尔茨海默氏症患者自救 From VOA Learning English, this is the Health Lifestyle report. A group of friends from around the world have gathered because they all have something

发表于:2019-01-12 / 阅读(37) / 评论(0) 分类 2016年VOA慢速英语(九)月

[00:04.59]General Review [00:06.83]1.Ask and answer. [00:11.07]Part A [00:14.00]Excuse me,Miss Gao. [00:16.51]Where is the school library?学校的图书馆在哪儿? [00:18.90]It's on the sixth floor.大六层. [00:21.37]Thanks. [00:22.49]You're wel

发表于:2019-01-15 / 阅读(391) / 评论(0) 分类 闽教版小学英语五年级下

AGRICULTURE REPORT - Norway Plans to Store Seeds of All the World's CropsBy George Grow Broadcast: Tuesday, February 07, 2006 This is Shep O'Neal with the VOA Special English Agriculture Report. The g

发表于:2019-01-16 / 阅读(77) / 评论(0) 分类 2006年慢速英语(二)月

From Lie to me to CSI, from food safety to new clean power, science can take place either in a bacteria-free lab or in our daily lives. But this week, we can have close contact with science at the Beijing Science Festival. Our reporter Li Dong has th

发表于:2019-01-19 / 阅读(53) / 评论(0) 分类 世界各地新闻集锦

Healthy living 健康生活 Mind and body 身与心 The reason loneliness could be bad for your health 孤独会对你的健康不利的原因 SCIENCE has many uses, but it doesn't often produce handy pick-up lines. 科学有很多用处,但是它通

发表于:2019-01-26 / 阅读(56) / 评论(0) 分类 经济学人科技系列

Science and Technolgy. 科技。 Social status and health. 社会地位与健康。 Misery index. 贫困指数。 Low social status is bad for your health. Biologists are starting to understand why. 社会地位低对身体不好,生物学家开始理

发表于:2019-01-26 / 阅读(24) / 评论(0) 分类 经济学人科技系列

AGRICULTURE REPORT - Going Biotech on the Farm: Second of Two PartsBy Mario Ritter Broadcast: Tuesday, May 02, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Farmers from a numb

发表于:2019-01-30 / 阅读(38) / 评论(0) 分类 2006年慢速英语(五)月

SCIENCE IN THE NEWS - Study Finds Older Fathers Are More Likely to Have Autistic ChildrenBy Caty Weaver and Jerilyn Watson Broadcast: Tuesday, September 19, 2006 VOICE ONE: This is SCIENCE IN THE NEWS

发表于:2019-01-30 / 阅读(41) / 评论(0) 分类 2006年慢速英语(九)月

SCIENCE IN THE NEWS - Parkinson's Disease: A Movement Disorder and a Medical MysteryBy George Grow and Oliver Chanler Broadcast: Tuesday, March 14, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS,

发表于:2019-01-30 / 阅读(49) / 评论(0) 分类 2006年慢速英语(三)月