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

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How do you like a behind-the-scenes look at one of the nature's most luxurious full service, hippos' spas. Our dominant male hippo customer has already arrived here at the Mezima Spring in Kenya, Africa. The carp goes right to work. It uses its wide,

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How do you like a behind-the-scenes look at one of the nature's most luxurious full service, hippos' spas. Our dominant male hippo customer has already arrived here at the Mezima Spring in Kenya, Africa. The carp goes right to work. It uses its wide

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The Hippo and I 我与河马 A hippo lives in the zoo. I like him very much. I often go to see him. He often thinks of me, too. Today is Sunday. It is a fine day. I go to see him again. After I leave the zoo, he follows me to my house. I give him let

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[00:00.00]Unit 5 I WANT A PET [00:18.08]page 21 1 Listen and number. [02:19.55]page 22 2 Listen and tick. [03:19.97]page 23 3 Listen and match [05:15.95]page 25 5 Enjoy your English. [06:25.12]Dad, I want a hippo. [06:33.87]Nothing but a hippo. OK! O

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[00:06.69]Unit 1 [00:08.27]Which is bigger? [00:11.67]Lesson 5 [00:14.97]Learn to Say [00:17.14]Hey, look at the hippo. [00:20.43]I think it's the biggest animal on land. [00:24.45]No. Elephants are the biggest animals on land. [00:29.52]How do you k

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[00:00.00]Unit 9 [00:01.54]第九单元 [00:03.08]1.A poem. My prize [00:05.88]1 一首诗 我的奖赏 [00:08.67]A box full of chocolates,Hip,hip,hooray! [00:12.24]一个装满巧克力的盒子 ,咳呀，咳呀，万岁。 [00:15.80]A box full of chocolates,Is my prize today.

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[00:06.69]Unit 1 [00:08.26]They are my friends. [00:10.10]Lesson 5 [00:11.83]Learn to Say [00:13.48]Look! What are these? [00:15.77]Are they dolphins? [00:17.47]No. They're seals. [00:19.37]They're very clever. [00:21.02]They can play many games. [00

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[00:04.88]Reading [00:07.55]AN INTERVIEW [00:10.19]Pausanias,who was a Greek writer 2,000 years ago, [00:16.56]has come on a magical journey to find out about the present day Olympic Games. [00:22.20]He is now intervwiing Lili,a Chinese girl. [00:27.

CNN 2012-05-22

there is a long legacy of presential puches like thr we have just mentioned. but the human occupancy of 1600 Pennsylvania avenu had always limited themselves to dogs. we are talking about lions , tigers and bears or mine also horses, elephants, and h

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1.有趣的漫画 Come down, elephant! 下来吧，大象！ Come down, little cat! 下来吧，小猫！ Come down, zebra! 小来吧，斑马！ Come down, hippo! 下来吧，河马！ 2.写一写，说一说 3.配一配，画一画 4.本课英语单词

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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

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And so it is everywhere one looks. 这一现象在世界各地都在发生。 The human juggernaut is permanently eroding Earth's ancient biosphere by a combination of forces that can be summarized by the acronym HIPPO, the animal hippo. 人类正在以

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Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thankyou！ 爱探险的朵拉 BBC儿童动画-小猪威比

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I Want A Hippopotamus For Christmas I want a hippopotamus for Christmas Only a hippopotamus will do Don't want a doll, no dinky Tinker Toy I want a hippopotamus to play with and enjoy I want a hippopotamus for Christmas I don't think Santa Claus will

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1. Late-night talk show host Conan O'Brien says he is rejecting NBC's attempt to move the Tonight Show until midnight, making room for Jay Leno's return. In a statement, O'Brien says NBC has barely given him time to establish himself as host of Tonig