Horizon - Life On Mars 火星生命 - 8

But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough

WWOOF: World-Wide Opportunities on Organic Farms

By Mario Ritter Broadcast: July 8, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Recently, a listener in Nigeria told us about an organization called World-Wide Opportuniti

VOA标准英语2012--Blended Organic-Conventional Farming Could Feed World

Blended Organic-Conventional Farming Could Feed World In rural Maryland, an hour-and-a-half drive from Washington, Bill Mason is tilling his fields to plant organic maize and soybeans. About two-thirds of his 340 hectares are organic, but not all of

VOA慢速英语2012--Agriculture Report - The Limits to Organic Farming in Feeding the World

Agriculture Report - The Limits to Organic Farming in Feeding the World This is the VOA Special English Agriculture Report. Organic farming avoids the use of chemical pesticides and manmade fertilizers. Supporters say organic farming is better for th

VOA标准英语2009年-GM Crops Dominate US Farms, but Organic In

By Steve Baragona Washington 29 October 2009 Garden pest As farmers across the United States are bringing in the harvest, silos are filling up with record or near-record quantities of corn and soybeans. To an extent not seen anywhere else in the wor

On Mars, NASA Finds ‘Organic’ Substances Linked to Life

The United States space agency says its Mars exploration vehicle has discovered chemical substances necessary for life. Scientists reported that NASAs Curiosity rover found large amounts of organic molecules in 3.5 billion-year-old rock in an area ca

Organic Farming Intersects with Modern Technology

Broadcast: Mar 17, 2003 Rain hits the 1) shingles on the large covered porch that leads up to David Masumoto's farmhouse. From the porch he can see 90-year-old 2) raisin 3) vineyards his family has te

VOA标准英语2008年-Use Of Organic Dye Encourages Australian Skin C

Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm

AGRICULTURE REPORT - Organic Farming Study

AGRICULTURE REPORT – June 25, 2002: Organic Farming Study By George Grow (Photo -Scott Bauer) This is the VOA Special English Agriculture Report. Agricultural scientists in Switzerland have demonstr

VOA标准英语2010-African Farmers Growing Organic Foods for

A melon field is pictured at a farm in the village of Djilakh, 80km south of Dakar, Senegal on 22 Apr 2008 (file photo) African farmers are making more money producing organically grown crops for European markets, where demand for healthier food is g

AGRICULTURE REPORT - Organic Food Labeling

AGRICULTURE REPORT — November 12, 2002: Organic Food Labeling By Mario Ritter This is the VOA Special English Agriculture Report. Last month, Secretary of Agriculture Ann Veneman announced a program

学个词Learn a Word 第1030期 Organic

今天我们要学的词是organic。 Organic, 有机的，绿色的。 Organic product, 有机产品。近年来，美国很多消费者开始崇尚绿色、有机食 品。不过，统计数字显示， Organic food accounted for only 3.5% of the f

每日一词【1030】organic：有机的，绿色的

今天我们要学的词是organic。 Organic, 有机的，绿色的。 Organic product, 有机产品。近年来，美国很多消费者开始崇尚绿色、有机食品。不过，统计数字显示， Organic food accounted for only 3.5% of the fo

VOA标准英语2011-- Restaurant Redefines Green, Organic

MobileRestaurantRedefinesGreen,Organic In major metropolitan areas across the United States, food-vending trucks have become a common sight. For the truck merchants selling everything from fresh vegetables to fast food to fancy meals, they are an eas

VOA慢速英语2012 Agriculture Report - The Limits to Organic Farming in Feeding the World

Agriculture Report - The Limits to Organic Farming in Feeding the World This is the VOA Special English Agriculture Report. Organic farming avoids the use of chemical pesticides and manmade fertilizers. Supporters say organic farming is better for th

VOA标准英语2013--More Land Being Used for Organic Farming

More Land Being Used for Organic Farming More land around the world is being dedicated to organic farming. The Worldwatch Institute says since 1999 theres been a more than three-fold increase to 37 million hectares. Organic farming is farming without

美国有线新闻 CNN Just How Organic Is Your Milk? Well, It Depends On The Dairy It Came From

SCOTT SIMON, HOST: Organic milk is widely available these days, but what does that label really mean? A new Washington Post investigation found that there are considerable differences between the organic milk you can buy in a grocery store and the ki

环球英语 — 63：Organic Chocolate

Voice 1 Hello. Im Marina Santee. Voice 2 And Im Elizabeth Lickiss. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Milk chocola

AGRICULTURE REPORT - Chemicals on Organic Food

AGRICULTURE REPORT – July 30, 2002: Chemicals on Organic Food By George Grow (Photo -Scott Bauer) This is the VOA Special English AGRICULTURE REPORT. Farmers who grow organic food do not use chemica

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