单词：aminobenzene-sulphonamido-thiazole
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January
Scientific American(一)月
The penguins stay when all other creatures have fled because each guards a treasurea single egg rested on the top of its feet and kept warm beneath the downy bulge of its stomach. There is no food and no water for them. And they will not see the sun
探索与发现2012年
The videos on Love Stories TV website have drama, romance, and beautiful clothes mixed with costly settings and highly technical camera shots. Is it Hollywood or is it real life? Sometimes the line seems to disappear. Love Stories TV shows videos of
2018年VOA慢速英语(四)月
I might have been a singer Who sailed around the world A gambler who wins millions And spent it all on girls I might have been a poet Who walked upon the moon A scientist who would tell the world I discovered something new I might have loved a king
美国乡村音乐
This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr
Scientific American(八)月
By Phuong Tran Dakar 16 March 2007 In some African countries when a woman's husband dies, it is common for her to marry one of his brothers. For many families, this ensures someone will take care of the widow and her children, and that she remains p
2007年VOA标准英语（三月）
Dido，一个前途无量的女孩， 正在用她的才华征服着全世界的歌迷。 国乐坛史上最畅销女歌手，两张专辑全球销售破2200万张 2003年九月《漂泊的心Life For Rent》全球狂卖850万张，在22国拿下冠军，英国七白金成为年度销售冠军专辑。1999年首张专辑《无天使No Angel》目前
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他们常说，漂泊的人会在Dido的歌声中重获温暖。很佩服这样的歌手，触景生情会想起，即使已是五年。 Quiet Times- Dido You ask me where I go tonight I go back to today last year. Me and you had to make each other happier, now there's hope with everything. I
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英文歌词: Two weeks away It feels like the whole world shouldve changed But Im home now And things still look the same I think Ill leave it to tomorrow till unpack Try to forget for one more night That Im back in my flat on the road Where the cars n
音乐咖啡厅
Azaz Residents Pick Up After Aerial Bombings The residents of Azaz clean up and mourn after Wednesday's deadly bombing by Syrian government warplanes. Azaz had been peaceful in recent months, although forces of the rebel Free Syrian Army have had to
VOA标准英语2012年(八月)
But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag
探索与发现2012年
Midsummer on the tundra and the sun does not set. At these altitudes, the suns rays are glancing and not enough of their energy reaches the ground to enable trees to grow. Youll need to travel five hundred miles south from here before that is possibl
探索与发现2012年
As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c
探索与发现2012年
The advance of the seasons brings constant change. As the suns influence diminishes in the north, so the deciduous forests of America begin to shut down, losing their leaves in preparation for the dark, cold months ahead. One season hands over to ano
探索与发现2012年
Deer are frequent casulties of the harsh winter. And these leopards are not above scavenging from a corpse. African leopards could never survive here. But the Russian cats have thick fur to shied them from the cold. There are only 40 Amur leopards le
探索与发现2012年
Kurt Vonnegut The Summer had died peacefully in its sleep, and Autumn, as soft-spoken executrix, was locking life up safely until Spring came to claim it. At one with this sad, sweet allegory outside the kitchen window of her small home was Ellen Bow
英文短篇小说
Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c
经济学人科技系列
Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis
经济学人科技系列
Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康
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本期内容： A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou
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