With a strong poison spray aimed at a bunch of flying insects, it's easy to imagine several of them falling together at the same time. Because flies are small and dirty creatures, we do not much care if many die at once. However, when it comes to hum

发表于:2018-12-07 / 阅读(125) / 评论(0) 分类 大千世界

Animal conservation Many animal and plant species have become extinct and many more are in critical danger. Finding ways to protect the earth's wildlife and conserve the natural world they inhabit is now more important than ever. Extinction Extinctio

发表于:2018-12-07 / 阅读(62) / 评论(0) 分类 英语音频杂志

This is Scientific American's 60-Second Science. I am Steve Mirsky, got a minute? With swine flu, the big infectious disease story, you don't hear much about bird flu these days. And you may not have to look past your own nose for the reason because

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(九)月

Early modern humans didnt just chip away at stones to create their tools. They treated stone with fire in a sophisticated fashion, according to research published August 14th in the journal Science. About 72,000 years ago, our ancestors along coastal

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(八)月

Shark 鲨鱼 There are more than 400 kinds of sharks all over the world. 全世界有400多种鲨鱼。 Because sharks eat large fish, they are the top of the food chain in the sea. 因为鲨鱼捕食大鱼,所以它们处于海中食物链的顶端。

发表于:2019-01-10 / 阅读(64) / 评论(0) 分类 与美国小学生一起学英文第1册

NASA 美国宇航局 Who sent the first human to the moon? It was NASA 谁第一次把人类送上月球?是美国宇航局。 NASA is the US agency. 美国宇航局是一个美国机构。 US president Eisenhower built NASA to explore space. 它是由

发表于:2019-01-10 / 阅读(87) / 评论(0) 分类 与美国小学生一起学英文第8册

The rich are set to become God-like cyborgs in what could be the 'biggest evolution in biology' since life emerged. 富人们将变成会成为上帝般的电子人,这将可能是人类有史以来在生物方面最大的进化。 This is accordin

发表于:2019-01-26 / 阅读(179) / 评论(0) 分类 阅读空间

Science and Technology 科技 Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanity's family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 THE opening scene of Mel B

发表于:2019-01-26 / 阅读(81) / 评论(0) 分类 经济学人科技系列

Many believe that dinosaurs and humans once coexisted, but most know that current technology doesn't allow for cloning dinosaurs from fossils. 很多人认为恐龙和人类曾经共存过,但大多数人知道目前的科技并不允许由化石克隆

发表于:2019-02-07 / 阅读(44) / 评论(0) 分类 英语新闻

CANBERRA, Aug. 31 (Xinhua) -- Australia's new chief medical officer, Professor Chris Baggoley, on Wednesday said Australian should not be worried about reports that a mutant strain of the deadly bird flu virus is spreading across Asia and beyond. On

发表于:2019-02-08 / 阅读(107) / 评论(0) 分类 英语新闻

Google and Amazon were quick to put drones to use delivering orders. 谷歌和亚马逊已经开始用无人机送货,反应神速。 But new research suggests delivery is just one small way drones are going to replace humans. The tiny airborne ves

发表于:2019-02-08 / 阅读(81) / 评论(0) 分类 英语新闻

The secret to happiness is keeping busy, research has found. 一项研究发现,快乐的秘诀就是让自己忙起来。 Keeping the mind occupied with tasks - no matter how meaningless - staves offnegative emotions, the study found. 该研究发现

发表于:2019-02-09 / 阅读(72) / 评论(0) 分类 阅读空间

Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanitys family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 Sep 10th 2011 | from the print edition THE opening scene

发表于:2019-02-17 / 阅读(132) / 评论(0) 分类 经济学人综合

Human evolution 人类的进化 You look familiar 你,似曾相识 Another piece of humanitys family tree is fitted into place 确定另一支人类谱系 THE opening scene of Mel Brookss film History of the World: Part One dispenses with human ori

发表于:2019-02-17 / 阅读(112) / 评论(0) 分类 经济学人综合

On October 9, Nature published a paper providing the results of new dating techniques that have been used to determine the age of prehistoric rock art motifs in volcanic caves on the island of Sulawesi in Indonesia. Archaeologists have determined tha

发表于:2019-02-17 / 阅读(63) / 评论(0) 分类 趣味英语

An IBM executive told a recent conference that when supercomputer Deep Blue was halfway through its 1997 chess match with Garry Kasparov, it made a random move, due to a software bug. Assuming the machine was smarter than it was, Kasparov later made

发表于:2019-02-18 / 阅读(82) / 评论(0) 分类 英语新闻

澳大利亚研究人员发现老年痴呆症的补救措施 VIENNA, Sept. 2 (Xinhua) -- Austrian scientists have discovered a natural remedy(补救方法) which could play an important role in the future treatment of dementia. The scientists fro

发表于:2019-02-18 / 阅读(62) / 评论(0) 分类 英语新闻

If Hollywood ever had a lesson for scientists it is what happens if machines start to rebel against their human creators. 如果说好莱坞曾经给科学家们一个教训,那一定是机器人开始反抗它们的创造者人类。 Yet despite t

发表于:2019-02-18 / 阅读(83) / 评论(0) 分类 阅读空间

A seattle doctor,that's right,I'm saying it, 西雅图一名医生 没错 我就是说了 A seattle doctor,doesn't mean anything,a seattle doctor.Everyone's like,what,what's the problem? 一名西雅图医生 没什么啦 大家都像 这有什么的吗

发表于:2019-03-04 / 阅读(113) / 评论(0) 分类 柯南脱口秀