And more evidence on how good the popular Mediterranean diet can be good for your body, a new study reveals why and how it may help you live longer, ABC's Reena has the details. This morning a diet known for trimming your waistline might also be addi

发表于:2018-12-07 / 阅读(99) / 评论(0) 分类 访谈录2014年

Marcus Pembrey is one of a select band of scientists, a band of scientists who are daring to challenge an orthodoxy . They believe the lives of our parents, grandparents, and even our great grandparen

发表于:2018-12-07 / 阅读(134) / 评论(0) 分类 基因外遗传现象

No body had had seen this kind of thing before, so this was the first time and all the people looking at the gel and saying

发表于:2018-12-07 / 阅读(144) / 评论(0) 分类 基因外遗传现象

If inheritance was not just about DNA, if these gene switches were so important, just what could turn them on or off? Stephanie and Emend Mullins have two children, Karen and Charlotte. When we were t

发表于:2018-12-07 / 阅读(160) / 评论(0) 分类 基因外遗传现象

We are on the brink of uncovering a hidden world, a world that connects past and future generations in ways we never imagined possible. What this means is an environmental exposure that your grandmoth

发表于:2018-12-07 / 阅读(111) / 评论(0) 分类 基因外遗传现象

Mosquitoes spread malaria that kills an estimated 429,000 people every year. Many of them are children, so this new method of killing mosquito populations has sparked a huge interest. Scientists from Imperial College London managed to eliminate a pop

发表于:2018-12-08 / 阅读(108) / 评论(0) 分类 VOA标准英语2018年(十月)

Mice with a genetic predisposition to get a Crohn's-like disease were kept healthy until exposed to a virus that apparently triggers the condition. Crohns disease is a real pain in the gut. This inflammatory disorder can lead to some serious intestin

发表于:2019-01-02 / 阅读(196) / 评论(0) 分类 60秒科学

An experiment tracking mice for 43 generations finds that progeny of those that initially were more active are spending three times as much time on the training wheel as the progeny of the initially more sedentary mice. Christopher Intagliata reports

发表于:2019-01-02 / 阅读(165) / 评论(0) 分类 60秒科学

The email was sent by Olov Bygren. He was studying the population records of an obscure town in northern Sweden, Overkalix. What made these records unique was their detail. They recorded births and de

发表于:2019-01-02 / 阅读(145) / 评论(0) 分类 基因外遗传现象

But could this effect be transmitted to their offspring? They found nearly 200 women of whom a number had actually been in the Twin Towers. About half of them developed post-traumatic stress disorder.

发表于:2019-01-02 / 阅读(145) / 评论(0) 分类 基因外遗传现象

The work of these scientists is at last throwing a spotlight onto the mysterious hidden world of epigenetics. They appear to show that the lives of our ancestors have a capacity to affect us directly.

发表于:2019-01-02 / 阅读(185) / 评论(0) 分类 基因外遗传现象

发表于:2019-01-03 / 阅读(122) / 评论(0) 分类 电信英语

The value of a college education continues to be examined in the real world. In addition to being saddled with student loans, graduates and even experienced workers face a lackluster labor market. 大学教育的价值继续在现实世界中得到检验

发表于:2019-01-07 / 阅读(127) / 评论(0) 分类 英语新闻

New Gene Therapy 'Precisely' Targets Cancer 新型基因治疗癌症法精确消灭目标 Cancer is one of the worlds most feared diseases, and with good reason: Its the leading cause of death across the globe. Every year, about 14 million people are

发表于:2019-01-12 / 阅读(110) / 评论(0) 分类 2015年VOA慢速英语(十一)月

如何提升英语阅读 1.不要反复浏览。凡是科技读物,一般只须顺着读一遍即可。如有必要,也要等整篇读完之后,再回过头重复某项内容。避免眼睛不断地来回转动。 2.采用筛选式阅读法。有

发表于:2019-01-17 / 阅读(129) / 评论(0) 分类 英语学习方法

Neandertals Live On in Our Genomes也许你身上存有尼安德特人的基因 Fifty thousand years ago, Homo sapiens weren't the only game in town. We were just one of several species of hominids roaming the Earth, like the Neandertals in Eurasia.

发表于:2019-01-20 / 阅读(135) / 评论(0) 分类 2017年Scientific American(六)月

我们中国有杀人不见血之说,老外损起人来,也是惊天地,泣鬼神啊......呵呵,切勿学习...This post just for funny . 1.Got into the gene pool while lifeguard wasn't watching. 1.他肯定是趁救生员不备,跳进基因

发表于:2019-02-09 / 阅读(111) / 评论(0) 分类 英语口语

台湾籍旅美老师今天交给我们的句子是: Many other genes have been identified which increase the likelihood of depression too. And it makes sense when you consider that depression and bipolar disorder both run in families. 许多其他的

发表于:2019-02-14 / 阅读(123) / 评论(0) 分类 留美老师带你每日说英文

Nutrigenomics The study of genes has shown that every individual is genetic ally unique, and this discovery leads to a host of questions as to the relationship between an individuals genes and environmental factors such as diet. That is, how does die

发表于:2019-02-16 / 阅读(121) / 评论(0) 分类 英语听力文摘 English Digest

DNA Wrath of Khan 成吉思汗疯狂的基因 Today, Afghanistan is a war-torn region, battled over by military forces and world-spanning empire s . Eight hundred years ago things were much the same. Only then, there was only one ruler: Genghis Khan.

发表于:2019-02-24 / 阅读(173) / 评论(0) 分类 英语听力文摘 English Digest