胡敏读故事记单词 我的家人中

[00:00.00]macro--manipulate A majestic opportunity [00:02.85]一次绝好的机会 [00:05.69]No one manipulated Scott in any way, [00:09.17]没入对斯科特有任何操纵， [00:12.64]he just wanted to step out of the mainstream and do something c

60秒科学:用身体动作来充电电池植入的医疗设备

最新研制一种新的医疗设备，可以利用身体动作来充电。 Novel materials could allow the implantation of flexible, rechargeable batteries that would constantly recharge from the body's own movements--even just breathing. Cynthia Gr

SSS 2008-12-18

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

SSS 2008-11-25

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

科学美国人60秒 SSS 2013-09-18

This Scientific American 60 Second Science, I'm Sophie Bushwick, got a minute.Developed countries spend about 3 percent of all their electrical power treating waste water, the juice purified contaminated material so it can be returned safely to the e

SSS 2010-09-24

This is Scientific Americans 60 Science, Im Cynthia Graber. Thisll just take a minute. Batteries add weight, and they need recharging. Thats serious business for implanted medical devices. When the batteries die, patients sometimes have to undergo an

科学美国人60秒 SSS Heat Sensor Has Snaky Sensitivity

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

英文书摘精选 糖---甜蜜的杀手

Some methods of preserving food are easy to understand. 一些保存食物的方法很容易理解。 For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause

可以录音和发声的衣服(有声)

M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethi

60秒科学:消化寿司的酵母素

Traditional Sushi Eaters Have Specialized Gut Bacteria If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the journal Nature shows that Japanese peopleb

SSS 2009-04-15

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

SSS 2010-04-08

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo

VOA标准英语2011--Microbe Could Help Battle Malaria

Microbe Could Help Battle Malaria Researchers have discovered a bacterium in the gut of the Anopheles mosquito which may someday be used to destroy and, therefore, prevent the spread of the disease-causing parasite. The World Health Organization esti

美国国家公共电台 NPR A Microbe Hunter Plies Her Trade In Space

RACHEL MARTIN, HOST: A few years ago, an airplane touched down on a grass runway in the Democratic Republic of Congo, and out stepped microbiologist Kate Rubins. KATE RUBINS: If you put your finger on a map in the middle of Africa, that's about where

TED演讲:听到的色彩(1)

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分，这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色， a

[科学美国人60秒] SSS 2015-08-06

Microbe organize live in you ，on you ,in soil in clouds ,and below the ocean floor ,that last bags of single self.. is particularhard to study, not only the samples are difficult to obtain ,but they can easily be contaminated with all that other mi

智能项圈助你听懂猫语

Cat lovers of the world, rejoice! You finally have the chance to understand what your pet is saying thanks to a smart collar that can interpret feline meows and translate it into human speech. Aptly named Catterbox, the collar supposedly has a digita

万物简史 第436期:小生物的世界(7)

In 1997 scientists successfully activated some anthrax spores that had lain dormant for eighty years in a museum display in Trondheim, Norway. 1997年，科学家们成功地激活了已经在挪威特隆赫姆博物馆休眠了80年之久的一些炭疽

App让手机变身保镖 再也不怕走夜路啦

If you've ever felt threatened walking home late at night, chances are you've phoned a loved one to make sure they know you're safe. 如果你深夜步行回家时感到害怕，你极有可能向你爱的人打电话，向他们报平安。 But maki

英语听力文摘 English Digest 153、致命的糖

Some methods of preserving food are easy to understand. For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause it to spoil. You might wonder, however, about