This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mark Twain called it the most delicious fruit known to men. He was talking about the cherimoya. If you never heard of it, there's good reason. It has a

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 Scientific American(三)月

EXPLORATIONS - Koshland Science Museum By Broadcast: Wednesday, March 02, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with the VOA Special English program EXPLORATIONS. T

发表于:2019-01-10 / 阅读(349) / 评论(0) 分类 Explorations

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about mammal populations in danger of disappearing. We will also tell about one kind of animal that disappeared

发表于:2019-01-11 / 阅读(102) / 评论(0) 分类 VOA慢速英语2008年(十一)月

Agriculture Report - Using Charcoal to Make Soil Into Black Gold Scientists show a way to improve soil quality with ''biochar.'' Transcript of radio broadcast: 05 May 2008 This is the VOA Special English Agriculture Report. The dense Amazon rainfore

发表于:2019-01-11 / 阅读(54) / 评论(0) 分类 VOA慢速英语2008年(五)月

VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with Explorations in VOA Special English. Today we tell about new discoveries near Stonehenge, the famous ancient circle of stones in southern England. (MUSIC) VOICE ONE: For thousands of

发表于:2019-01-11 / 阅读(121) / 评论(0) 分类 VOA慢速英语2007年(五)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. This week, we will tell about icy material shooting up from a moon of the planet Saturn. We will also tell about an experimental drug fo

发表于:2019-01-11 / 阅读(64) / 评论(0) 分类 VOA慢速英语2008年(四)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and

发表于:2019-01-11 / 阅读(69) / 评论(0) 分类 VOA慢速英语2007年(六)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. This week, we will tell about an American study of the brain disorder schizophrenia. We tell about cars that use hydrogen as fuel. And,

发表于:2019-01-11 / 阅读(113) / 评论(0) 分类 VOA慢速英语2008(十)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about a visit to the planet Mercury. We will tell about the dangers of products for making skin lighter. And, w

发表于:2019-01-11 / 阅读(182) / 评论(0) 分类 VOA慢速英语2008年(二)月

STEVE EMBER: Im Steve Ember. FRITZI BODENHEIMER: And Im Fritzi Bodenheimer with EXPLORATIONS in VOA Special English. Today we tell about one of the most important scientific discoveries of the last century -- the development of HeLa cells. Reporter R

发表于:2019-01-11 / 阅读(113) / 评论(0) 分类 2010年VOA慢速英语(七)月

AS IT IS 2015-07-15 US Spacecraft Flies by Pluto After Nine-Year Trip It has taken more than nine years for an American spacecraft to reach the far edge of our solar system. The spacecraft, named New Horizons, sailed past the dwarf planet Pluto on Tu

发表于:2019-01-12 / 阅读(65) / 评论(0) 分类 2015年VOA慢速英语(七)月

AS IT IS 2015-07-13 Are Baboons Democratic? 狒狒的群体够民主吗 A team of scientists has found a surprise element to the social structure of baboons: democracy. The animals live in groups with a single male leader. But, apparently, obedience

发表于:2019-01-12 / 阅读(68) / 评论(0) 分类 2015年VOA慢速英语(七)月

Plankton More Important than Scientists Thought 浮游生物比科学家认为的重要的多 For years, most people thought of small organisms called plankton as food for whales and other large sea animals. But a four-year long study discovered that

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2015年VOA慢速英语(六)月

AS IT IS 2015-09-22 Magical Invisibility Cloak Soon to Be Real 神奇的隐身衣即将成为现实 All you Harry Potter fans out there have reason to celebrate! Scientists say they are close to inventing a real invisibility cloth. Harry Potter is a

发表于:2019-01-12 / 阅读(65) / 评论(0) 分类 2015年VOA慢速英语(九)月

Whale Deaths On the Rise in Alaska 阿拉斯加鲸鱼死亡数量有所上升 American scientists have reported a sharp increase in the number of dead whales found in the Gulf of Alaska. From May through August, 30 whales washed up along the coast of

发表于:2019-01-12 / 阅读(119) / 评论(0) 分类 2015年VOA慢速英语(九)月

Worms Get Ready to Fly in Space 蠕虫准备在太空中飞行 Humans are well-equipped for life on Earth. But in space, it is a different story. Low or zero gravity changes how the blood flows and causes motion sickness, muscle loss and tiredness. W

发表于:2019-01-12 / 阅读(50) / 评论(0) 分类 2015年VOA慢速英语(三)月

Spacecraft Moving in for Jupiter Close-up 朱诺飞船靠近木星 Jupiter, our solar systems largest planet, is about to show its secrets. On July 4, a NASA spacecraft will enter Jupiters orbit and start sending data back to Earth. It will be the fi

发表于:2019-01-12 / 阅读(143) / 评论(0) 分类 2016年VOA慢速英语(七)月

Water on Mars: What Does It Mean? 火星有水意味着什么? For centuries, humans have wondered whether there is life on Mars. Scientists have asked why Mars is losing its atmosphere. Last week, the question was answered with a song. The answer, i

发表于:2019-01-12 / 阅读(58) / 评论(0) 分类 2015年VOA慢速英语(十一)月

AS IT IS 2016-03-09 Trending: New Octopus Spotted on Ocean Floor 海底发现章鱼新种类 This is Whats Trending Today: There are still lots of undiscovered areas around the globe but most are below the surface of the ocean. Recently, the U.S. Nat

发表于:2019-01-12 / 阅读(175) / 评论(0) 分类 2016年VOA慢速英语(三)月

EXPLORATIONS - Nanotechnology: How the Science of the Very Small Is Getting Very BigBy Mario Ritter Broadcast: Wednesday, February 08, 2006 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith

发表于:2019-01-16 / 阅读(83) / 评论(0) 分类 2006年慢速英语(二)月