The big rocks

The big rocks One day an expert in time management was speaking to a group of business students and, to 1) drive home a point, used an 2) illustration those students will never forget. As he stood in

12_Big Rocks

One day, an expert in time management was speaking to a group of students and, to drive home a point, used an illustration those students will never forget. As he stood in front of the group of overachievers he said, OK, time for a quiz. He pulled ou

SSS 2008-02-20

This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any

胡敏读故事记单词托福词汇119

An ignominious end 可耻的下场 Professor randall, an illustrious volcanologist, pursued his discipline with a passion that went well beyond ordinary scientific enquiry. He even had to park his car out in the street, as his garage was stacked up to th

国家地理:Killer Lakes 　杀人湖

Volcanic gases escape from the magma . They percolate through the earth crust and into the atmosphere. Professional geologist, Charles Watson, investigates the risks at Horseshoe Lake close to Mammoth's main resort. There is a quiet, silent killer th

英语听力文摘 English Digest 574、饥饿的千层面！

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

英语听书《海底两万里》第444期 第27章 南极(3)

Whenever you're ready, sir,he called to me. 对我喊：先生，您高兴就清上来。 I got out, Conseil at my heels, leaving the two men in the skiff. 我跳下小艇，后面跟着康塞尔，那两个人留在艇中。 Over an extensive area,

未来水环境让现有鱼类很难生存(有声)

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

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 2011-04-11

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

SSS 2012-03-07

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

VOA标准英语2012--Unusual Mars Rock Surprises Rover Scientists

Unusual Mars Rock Surprises Rover Scientists Curiosity's engineers on Earth put the drilling and sampling tools on the rover's robotic arm to full use this week as they assessed the makeup of the pyramid-shaped rock. The sample is named Jake Matijevi

美国文化脱口秀 第171期:Wine Tasting 葡萄酒品酒

如果你爱喝葡萄酒或经常遇到要喝葡萄酒的场合，学几句高大上的品酒英语尤其重要。 品葡萄酒本节课的重点词汇: 1) wine tasting 葡萄酒品酒会2) tasting flight 品酒序列3) Cabernet Sauvignon 赤霞珠4)

英语听力：自然百科 为什么海水是咸的？

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

60秒科学:Amygdala's Acidic Aspiration Answer

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

万物简史 第221期:把铅撵出去(10)

But there were many technical difficulties to overcome. Holmes also neededor at least would very much have appreciatedsophisticated gadgetry of a sort that could make very fine measurements from tiny samples, and as we have seen it was all he could d

The big rocks 大石块

The big rocks 大石块 One day an expert in time management was speaking to a group of business students and, to drive home a point, used an illustration those students will never forget. As he stood in front of the group of high-powered over-achiev

英语美文：Big Rocks

One day, an expert in time management was speaking to a group of students. He stood in front of them and said, Okay, time for a quiz. Then he pulled out a wide-mouthed Mason jar and set it on the table. He then produced about a dozen fist-sized rocks

【英语时差8,16】瓶装雨水

Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot

英语听力文摘 English Digest 405、可以喝的雨水

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as