万物简史 第402期:浩瀚的海洋(21)

It is now thought that the larvae of certain organisms may drift through the water until, 现在认为，某些生物的幼体可能在水里漂动， by some unknown chemical means, they detect that they have arrived at a food opportunity and fall o

SSS 2012-01-23

Lots of studies suggested limited quantities of alcohol, like one drink a day can benefit your cardiovascular helth. But for the tiny worm C. elegans, dilute b is a valuable f of ease. It actually doubles their lifespan, according to a study in the j

经济学人: 不会飞的甲壳虫如何海上航行

Pachyrhynchus weevils are found on most islands in the eastern Pacific Ocean. If these weevils could fly, that would not be surprising. But they cannot. 在东太平洋的大部分岛屿中都发现了球背象鼻虫。如果这些象鼻虫会飞的话

珊瑚幼虫通过声波寻找安家之处(有声)

How do baby coral find a new home in the open ocean? They listen very closelyfor reef sounds. Scientists at the University of Bristol in England had already discovered in the last few years that baby fish who live among coral use sound to find the re

SSS 2009-08-06

Orchids are botany's great mimics, all in the service of getting pollinated. Some have evolved to resemble female wasps to attract males. Others produce odors that smell like potential mates or like more attractive flowers. Now a study published in t

SSS 2010-07-08

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

SSS 2011-11-11

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? A hungry fish can kill prey with a quick bite. That is, of course, if its prey hasn't already died of fright. Take tasty dragonflies. The mere presence of pred

SSS 2012-07-03

Fruit flies are pretty small. But they laugh at a species of fly recently discovered in Thailand. Dubbed Euryplatea nanaknihali, this member of the phorid fly family is less than half a millimeter longa fifth the size of a fruit fly. But before you o

SSS 2012-02-16

This is Scientific American 60 second Science, I'm Cynthia Graber, got a minute? Were not the only animals that like to knock back the hard stuff. Studies have shown that some mammals seek out food and drink that naturally contains alcohol. And accor

高中英语人教版高二下04

[00:02.39]第16课海洋 [00:04.78]Lesson 61 1 Dialogue [00:08.06]第61课 1 对话 [00:11.34]Bruce is spending Sunday with his friend Li Qun. [00:14.22]布鲁斯跟他的朋友一起度过了星期天。 [00:17.11]LI QUN:Beautiful day,isn't it? [00:

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

英语听力文摘 English Digest 501、那片珊瑚HOLD不住了！

Aah, snorkeling in the Great Barrier Reefblue, clear water, magnificent coral, beautiful fish. How about cloudy water and dying coral and you have to look pretty hard to spot a fish anywhere? Nobody would want to go snorkeling in waters like you just

VOA慢速英语20060411a

AGRICULTURE REPORT - Insects Eating Your Crops? Call on a LadybugBy Mario Ritter Broadcast: Tuesday, April 11, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. There are lots of i

绵羊六年不剪毛 羊毛半米厚

A Tasmanian farmer-couple recently discovered what might just be the worlds woolliest sheep. Theyve named the super-fluffy creature Shaun. As it turns out, Shaun has never had his coat cut, and it is at least half-a-meter thick now. In fact he appear

《荒野求生》之跟着贝尔去冒险第127期:昆虫午宴

I face the earth's most inhospitable landscapes to show you what to taste to stay alive. 我要在全球最荒凉的地方 向你展示 为了生存下去应该吃些什么 So frisky means movement,and movement takes spends of energy. 如此活跃意味

南极和北极有苍蝇吗?

【英文原文】 Sometimes the biggest finds are the smallest finds. Researchers examining a segment of siltstone taken from ground along the Beardmore glacier in Antarctica found something unexpected. They found a fly. Well, not exactly a fly. The

英语听书《海底两万里》第309期 第23章 珊瑚王国(6)

In the zoophyte branch, class Alcyonaria, one finds the order Gorgonaria, which contains three groups: sea fans, isidian polyps, and coral polyps. 在植虫动物门、翡翠纲中，有矾花这一目，这一目包含矾花、木贼和珊瑚三科。

英语听书《海底两万里》第310期 第23章 珊瑚王国(7)

I fancied I saw these cylindrical, membrane-filled tubes trembling beneath the water's undulations. 我好像是看见薄膜一般的和圆筒形样的细管在海波下颤动。 I was tempted to gather their fresh petals, which were adorned with del

英语听书《海底两万里》第311期 第23章 珊瑚王国(8)

The light from our glass coils produced magical effects at times, lingering on the wrinkled roughness of some natural arch, 我们的蛇形玻璃管中的光学，照在这些天然的凹凸不平的拱形建筑物上面， or some overhang suspended

留美老师带你每日说英文 第777期:全球变暖导致珊瑚白化

台湾籍旅美老师今天交给我们的句子是： By warming up the planet, we are, among many other things, breaking up the team that built the ocean's most diverse ecosystem. But bleached corals don't necessarily die. What happens next depends