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(78) / 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(96) / 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(60) / 评论(0) 分类 实用英语

[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(109) / 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(71) / 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(60) / 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(67) / 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(64) / 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(67) / 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(64) / 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(63) / 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(70) / 评论(0) 分类 Scientific American(十)月

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

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(二)月

Speed kills. This is something I remember from a road safety campaign many years ago. Its true. There are too many drivers who drive too fast. So many people are killed on the road because of speed. I dont understand why people dont follow the speed

发表于:2019-01-24 / 阅读(67) / 评论(0) 分类 听一分钟英文-S

英语学习笔记: reservation n. 预定 available adj. 可利用的;有效的 rematch v. 重赛 I want to make a reservation from 3 to 4pm. 我想预订下午3点到4点。 Do you want to play again? 要不要再来一局呢? Do you like to d

发表于:2019-01-24 / 阅读(48) / 评论(0) 分类 早安英文

A UK fitness company is set to offer people the opportunity to exercise while traveling on a bus. 一家英国健身公司将为人们提供在乘坐巴士时健身的机会。 1Rebel UK announced the new service described as a ride studio on wheels

发表于:2019-02-01 / 阅读(97) / 评论(0) 分类 阅读空间

He never turns down a challenge, and Prince Harry looked to be in fine form as he took part in an event with England Rugbys All Schools Program in Manchester on Monday (October 20). 哈里王子从不拒绝挑战。当地时间周一(10月20号),

发表于:2019-02-03 / 阅读(45) / 评论(0) 分类 英语新闻

China's top disciplinary watchdog on last Tuesday reiterated that the country's anti-graft campaign is not targeting the sport of golf, but rather takes aim at the corruption and violation of discipline bred by the sport's proliferation. 上周二,中

发表于:2019-02-18 / 阅读(134) / 评论(0) 分类 英语新闻

看美剧、跟美国人聊天,你是否常被他们的俚语、口头禅弄得摸不着头脑?比如平时听Spencer, Adam的节目,他俩动不动来一句:Right off the bat..., knock it out of the park...到底什么意思?今天,我们就

发表于:2019-02-22 / 阅读(47) / 评论(0) 分类 美国文化脱口秀

Unit 141 Exercise at your desk Unit 141 在办公桌旁边运动 Being office-bound doesn't stop advertising salesman Joe Smith from getting into gear.He keeps a stationary bike in his closet and pedals about 10 miles during his lunch hour. Even with

发表于:2019-02-27 / 阅读(125) / 评论(0) 分类 减肥瘦身英语口语话题