VOA慢速英语--基因编辑食品即将成真,你敢吃吗?

Gene-edited Food Will Arrive Soon, But Will People Eat It? Foods based on the latest biotechnologies will soon be available in grocery stores around the country. The first foods from plants or animals that have had their genetic material, or DNA, edi

VOA慢速英语2010年-Christmas Trees Are Not the Only Hot P

An evergreen tree is a Christmas tradition in many American homes. The tree is usually a pine or fir dressed with lights and other colorful decorations. Families might buy a cut tree or go to a tree farm and cut one down themselves. Some people bring

Earth and Sky:Acid Rain 酸雨

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

AGRICULTURE REPORT - Composting

AGRICULTURE REPORT -January 8, 2002: Composting By Gary Garriott This is the VOA Special English AGRICULTURE REPORT. Many farmers around the world are composting to improve their soil so they can prod

VOA慢速英语2010年-Agriculture Report - In the Garden: Ge

This is the VOA Special English Agriculture Report. People have grown chrysanthemums for more than two thousand years. Chinese and other Asian cultures make tea with the flowers. But mums also make bright and colorful gardens. One basic kind of mum i

VOA慢速英语 2008 0325a

Agriculture Report - Parsley: Not Just Another Pretty Green Advice for growing parsley. And don't think there are only two kinds. (Heard of Hamburg parsley?) Transcript of radio broadcast: 24 March 2008 This the VOA Special English Agriculture Repor

VOA慢速英语2011--In the Garden: Getting Started With Rose

Agriculture Report - In the Garden: Getting Started With Roses 农业报道 - 从种植玫瑰开始 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Most kinds of rose plants come from Asia. But ros

VOA慢速英语2011--Ideas for Getting a Firm Grip on Weed Co

Agriculture Report - Ideas for Getting a Firm Grip on Weed Control 农业报道 - 控制杂草生长的办法 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Weeds compete with plantings for water

The Secret Life of Roots

The Secret Life of Roots Plant roots are important to life on earth. Roots take in water and nutrients that the plant needs to live and grow. They also help secure plants in dirt to prevent erosion - the breakdown of soil by natural forces. Roots are

SSS 2009-11-20

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

VOA慢速英语2013 Agriculture Report - Friends With Benefits, in the Plant World

Agriculture Report - Friends With Benefits, in the Plant World 农业报道 - 植物世界的互惠互利 From VOA Learning English, This is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Companion plantin

VOA慢速英语2011--Hot in the Garden: Too Much Sun Can Harm

Agriculture Report - Hot in the Garden: Too Much Sun Can Harm Vegetables 农业报道 - 过多日照会对植物造成损害 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Last week we discussed h

植物虽没大脑 却能做出最明智选择

Plants are a lot smarter than we thought. According to researchers, they are capable of making intelligent decisions regarding risk. Scientists have discovered that one plant, the humble pea, can make decisions regarding how to survive best, even tho

英语听力：2013-07-10 《恐龙的战争》3 顽强防御—11

The number-one concern in life would befeeding the beast. The land is covered in vast forests offerns, pines, and monkey puzzle trees. Many of these plants have almost nonutritional valuel. The hardest job in the animal world, thedinosaur world, was

英语听力：2013-07-12 《恐龙的战争》3 顽强防御—12

...plant material at a time, and were talking about something huge. Surprisingly, it isnt something huge which allows these giant herbivores to grow big enough to be all but invincible. In fact, its something incredibly small, and something meat eate

60秒科学:Plants Share Light If Neighbor Is Related

Plants Share Light If Neighbor Is Related A study in the American Journal of Botany finds that plants can tell if they're next to a relative and will grow to allow the kin more access to light. Cynthia Graber reports. We humans are known to help out

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

台湾农民运用高科技帮助种植

Meet Chang Chen-kai, one of a new generation of high-tech farmers in Taiwan. Rather than toiling in the fields, Chang works in an air-conditioned room at a plant factory operated by Taiwanese biotechnology company, ARWIN. It's one of a growing number

万物简史 第417期:生命的起源(11)

Fred Hoyle and his colleague Chandra Wickramasinghe further eroded enthusiasm for panspermia 我们已经在第三章里提到，弗雷德霍伊尔和他的同事钱德拉威克拉马辛格认为， by suggesting that outer space brought us not only

2015年CRI 台湾农民采用高科技种植农作物

Meet Chang Chen-kai, one of a new generation of high-tech farmers in Taiwan. Rather than toiling in the fields, Chang works in an air-conditioned room at a plant factory operated by Taiwanese biotechnology company, ARWIN. It's one of a growing number