spiciness is chilli pepper's best defense against seed attacking microbes.but not all chillis are hot, because producing that heat comes at a price.so says a study in journal proceeding the royal society b.researchers look at wild chilli populations

发表于:2018-12-02 / 阅读(74) / 评论(0) 分类 Scientific American(十二)月

12 收回原先的谷物生产计划 DATE=3-27-01 TITLE=AGRICULTURE REPORT - StarLink Buyback Program BYLINE=George Grow (Start at 59

发表于:2018-12-07 / 阅读(90) / 评论(0) 分类 自然探索

If you've ever stuck rigidly to a diet, managed to lose weight but then piled the pounds back on, it's not your fault. 如果你曾严格坚持节食并减肥成功,但之后体重却又反弹,这不是你的错。 After about five years, 41 per

发表于:2018-12-12 / 阅读(52) / 评论(0) 分类 实用英语

模块三 食物和饮料 [00:06.58]UNIT ONE Shopping at the supermarket [00:08.96]单元一 在超级市场购物 [00:11.34]Look and read [00:12.92]看并且读 [00:14.50]1.Let's go to the supermarket.What do we need? [00:18.23]1。让我们去超级市

发表于:2018-12-13 / 阅读(158) / 评论(0) 分类 江苏译林版牛津小学英语(3起)三年级上册

[00:02.75]Unit 19 Communication Language Awareness 4 [00:08.70]Lonesome Male of the Galapagos [00:11.60]Jo Tuckman on the Galapagos Islands [00:14.83]Celebrity is not usually a characteristic [00:17.49]associated with middle-aged giant tortoises [00:

发表于:2018-12-13 / 阅读(100) / 评论(0) 分类 北师大版高中英语模块7(选修)

This is Scientific American 60-second science.I'm Sophie Bushwick.Got a minute? It's not easy being yellow.But as now is face two separated con?? demix which threaten the pluck the fruit off x tables.Fortunately,reseachers have now x banana's DNA,pro

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 Scientific American(七)月

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

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 Scientific American(九)月

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

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 Scientific American(六)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(58) / 评论(0) 分类 Scientific American(七)月

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

发表于:2018-12-26 / 阅读(63) / 评论(0) 分类 NPR边听边练

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

发表于:2019-01-02 / 阅读(58) / 评论(0) 分类 科技之光

我们是怎样开始了解大脑是如何工作的呢?和我们开始了解一个城市的方式一样:制作一张地图。在这个非常形象化的演讲中,艾伦琼斯展示了他的团队是怎样绘制每个小区域里开启的基因,

发表于:2019-01-05 / 阅读(58) / 评论(0) 分类 TED公开课:美妙的神经系统

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

发表于:2019-01-08 / 阅读(63) / 评论(0) 分类 Scientific American(十)月

BEIJING, August 1 (Xinhuanet) -- U.S. researchers have discovered a genetic mutation unique to African Americans that links to heighten their asthma risk, according to reports published on Sunday in the journal Nature Genetics. Researchers of Univers

发表于:2019-02-06 / 阅读(97) / 评论(0) 分类 英语新闻

编者按: 就其带给我们的美好感觉的度和量而言,美的最主要来源是我们与外界的美好关系,它们给我们的生活带来源源不断的感情--让我们茁壮成长,超越自我。这一有力的和谐关系可以存

发表于:2019-02-13 / 阅读(47) / 评论(0) 分类 英语名篇背诵

Something called the Danish Twin Study 一个叫丹麦双胞胎的研究表明, established that only about 10 percent 普通人在生物学允许的限度内的寿命, of how long the average person lives, 仅仅有百分之十 within certain bi

发表于:2019-02-14 / 阅读(66) / 评论(0) 分类 TED演讲科学篇

The anatomy-related adaptations were those that seemed to control the development of the pandas second thumbs. 与生物体结构相关的基因有可能控制熊猫第二拇指的生长。 Two genes in particular, DYNC2H1 and pericentrin, have mutat

发表于:2019-02-16 / 阅读(47) / 评论(0) 分类 经济学人科技系列

Genetically modified cells could eliminate the need for daily injections to treat type 1 diabetes, experts have revealed. 专家透露,有了基因改良细胞,1型糖尿病患者就可不必天天注射胰岛素了。 The human cell line is gene

发表于:2019-02-17 / 阅读(50) / 评论(0) 分类 阅读空间

Nor did the procedure fulfil any unmet medical need. 此程序也未能满足任何未知医疗需求。 For the child whose genome was edited to confer resistance, the claimed benefit is protection from a virus that she may never encounter 对于为产

发表于:2019-02-25 / 阅读(60) / 评论(0) 分类 经济学人综合

BEIJING, Aug. 5 (Xinhuanet) -- A study conducted by Israeli researchers at the Albert Einstein College of Medicine in New York shows that genes, rather than good eating and lifestyle habits, determine longevity, according to media reports Friday. Thi

发表于:2019-02-26 / 阅读(91) / 评论(0) 分类 英语新闻