科学美国人60秒 SSS 'Necrobiome' Reveals a Corpse's Time of Death

Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York

Sight Word Kids幼儿英语常见字5A Review 2:复习二

1.完成下面的句子 2.按照一个段落来编唱歌谣 3.唱一唱，圈一圈 Look at the caterpillar. It is long. 看这条毛毛虫，他好长！ Let me bring it home. 我要带他回家！ No!Please don't hurt me. 不！请不要伤害我！

Sight Word Kids幼儿英语常见字5A Unit 7:请不要伤害它

1.有趣的漫画 A caterpillar!I'll bring it home. 一只毛毛虫！我要把它带回家。 No!Please don't hurt it. 不！请不要伤害它！ Let's take it to it's home. 让我们把它送回家吧。 Look, a butterfly! I'll bring it home. 看，

儿童英语听力：Sight Word Kids 幼儿英语常见字5B Unit3 Can I have some?我能来点...吗？

1.有趣的漫画 Can I have some blue berries, big bird. 大鸟，我能来点蓝莓吗？ No,the berries are only for me.They are my own. 不行，这些浆果是我一个人的，只有我能享用。 Can I heve some leaves,tiny caterpillar? 小毛毛

2007年VOA标准英语-Antibiotic Resistance Fast-Growing Problem Worl

By Carol Pearson Washington 28 February 2007 watch Antibiotic Resistance report Penicillin and Erythromycin are examples of antibiotics that used to be one-time miracle cures. These drugs and other antibiotics are now less effective because bacteria

美国国家公共电台 NPR Probiotics For Babies And Kids? New Research Explores Good Bacteria

STEVE INSKEEP, HOST: This year Americans will spend more than $2 billion on probiotics, supplements aimed at boosting what are called good bacteria inside us. One part of the market that's growing rapidly is probiotics for babies and kids. Here's NPR

听美剧学英语:《淘小子看世界》 Boy Meets Girls-1

Hormones, the telegraph system of the body. Some time, between the ages of 9 and 16 they'll start to tell your body to change very fast. This movie is rated H for hurl. Mr. Matthews, calm down and watch the film. The changes won't all be physical. So

60秒科学:Do Rainforests Create Rain?

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

专业术语—皮肤科词汇中英对照(13)

专业术语—皮肤科词汇中英对照(15)

内分泌、营养、代谢性疾病 胫前粘液性水肿 pretibial myxedema 粘液水肿性苔藓 lichen myxedermatosis 黑棘皮病 acanthosis nigricans 黄瘤病 xanthomatosis 类脂蛋白沉积症

专业术语—常见皮肤病英语(8)

SSS 2009-05-07

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

好听的英文歌曲：Come Clean — Hilary Duff

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美国国家公共电台 NPR Probiotic Bacteria Could Protect Newborns From Deadly Infection

ROBERT SIEGEL, HOST: Now some good news, especially for babies around the world. Scientists in the U.S. and India have found an inexpensive treatment for a common infection. It could save hundreds of thousands of newborns each year. The treatment com

美国国家公共电台 NPR Could Probiotics Protect Kids From A Downside Of Antibiotics?

RACHEL MARTIN, HOST: Go online, walk through any health store or supermarket, and you'll find all kinds of products being sold as probiotics. They're being promoted for all kinds of things - preventing upset stomachs, boosting the immune system, figh

美国国家公共电台 NPR Verizon's Metamorphosis: Can You See Me As A Tech Giant Now?

Verizon's Metamorphosis: Can You See Me As A Tech Giant Now? STEVE INSKEEP, HOST: Now let's follow a company trying to buy its way into the future. Verizon is a descendant of the old Bell monopoly phone system. Lately, the company has been acquiring

TED演讲:为什么有这么多昆虫存在(2)

Insect exoskeletons also work like body armor, 昆虫的外骨骼就像保护身体的盔甲一样 protecting insects against the outside world and helping them cope with habitats that other creatures can't. 抵御外部环境的伤害，帮助它们应

专家:益生菌酸奶并非有益肠道健康

Probiotic yoghurt drinks and supplements dont live up to their promises, according to an EU watchdog. They claim to boost your immune system and help digestion. It concluded there is no scientific proof that products such as Yakult have any health be

英文经典：变形记-Metamorphosis

Metamorphosis (an excerpt) One morning, when Gregor Samsa woke from troubled dreams, he found himself transformed in his bed into a horrible vermin. He lay on his armour-like back, and if he lifted his head a little he could see his brown belly, slig

留美老师带你每日说英文 第767期:古代残骸的发现

台湾籍旅美老师今天交给我们的句子是： When researchers uncover a skeleton, some of the first clues they gather, like age and gender, lie in its morphology, which is the structure, appearance, and size of a skeleton. 当学者们发现一