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Cyanide Kills Elephants, Ecosystem Last month, poachers killed 300 elephants in Zimbabwes Hwange National Park by poisoning their water supply and salt licks. Wildlife groups say cyanide not only kills a large number of animals in a short time, but a

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Butterflies are as beautiful as the flowers they feed on. But they appear to be less abundant than in years past and that has scientists worried. Because butterflies, bees and other beneficial bugs pollinate plants and are crucial to as much as eight

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Using a Mobile Phone to Improve Mother and Child Health From VOA Learning English, this is the Health Report in Special English. Different groups around the world are working to expand the uses for mobile technology in health care. Patricia Mechael i

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Survey Shows Americans Still Rely on Newspapers Everywhere you turn, there are stories about the rapid ascent of the Internet as Americans information medium of choice. The trend line is clearly pointing in that direction, but according to a new nati

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《巴黎协定》或将付诸实践 Climate change is a defining issue of our time, and one where U.S. leadership has made a real and measurable difference. Confronting this challenge will require a sustained global effort to ensure that our planet

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Hippos Called River Life Force 河马创造了河流生命力 A new study says the hippopotamus is very important to the health of Africas rivers and lakes. Thats because hippos produce a key ingredient for aquatic life -- and a lot of it. But resear

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Xinjiang Production and Construction Corporation in northwest China combines the duties of carrying out agriculture and forestry work and safeguarding stability. Over the past five years, it has planted 150 thousand hectares of forest and turned 470

VOA慢速英语2012 SCIENCE IN THE NEWS - Chile’s Coastal Recovery; Africa’s Groundwater

SCIENCE IN THE NEWS - Chiles Coastal Recovery; Africas Groundwater BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. BOB DOUGHTY: And Im Bob Doughty. Today, we tell about some unexpected effects of a natural disast

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Alaskan Wins Environmental Prize for Opposing Offshore Drilling Saving her village traditions means everything to community activist Caroline Cannon. This includes the annual hunt for one bowhead whale, in which villagers use wood-framed boats covere

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This is the Cimarron National Grassland in western Kansas. You can see that it's not very farmable but is worth preserving. In 1935, during the heart of the Great Depression, whole sections of the American Midwest suffered through a terrible drought

VOA标准英语2011--Coastal Trees Help Fight Global Warming

Coastal Trees Help Fight Global Warming A new study says the world's tropical coastal forests store more planet-warming carbon dioxide than almost any other ecosystem. But rapid loss of these forests - known as mangroves - is releasing substantial an

VOA标准英语2013--Final Vote Nears on Conserving Sharks

Final Vote Nears on Conserving Sharks Shark fin soup is a delicacy in Asia. But its popularity is helping to decimate shark populations. However, governments voted Monday (today) to protect five species of the predators. Preliminary approval came at

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DAVID GREENE, HOST: The United States and the U.K. issued this rare joint alert last week warning that Russia is actively preparing for a future cyberwar against the West. Jeanette Manfra is the Department of Homeland Security's cybersecurity chief,

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Beneath its adorable exterior is your cat hiding the heart of killer.Researchers now estimated that each year domestic cats kill billions of birds and mammals in the United States alone.The report is in Nature Communications.We already knew that dome

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Gophers versus the Volcano囊地鼠对抗火山大爆发 May 18th is the 37th anniversary of the massive explosion of Mount Saint Helens. But within days of the volcano erupting, the local ecosystem started to bounce back. Thanks to some unassuming l

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In the Rocky Mountains of Central Colorado, the forces of nature create a landscape of alpine lakes, high-altitude ponds teeming with life and mountain meadows bursting with wild flowers. It is amidst these beautiful wildflower fields that one scient

VOA标准英语2012--Volunteers Clean Up Los Angeles River

Volunteers Clean Up Los Angeles River Flood control channels encase the Los Angeles River, which is dry for most of the year but springs to life forcefully when the winter rains begin in November and December. Each April, as the waters subside, volun

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Sharks Rule the Reef's Underwater Food Chain Predators like wolves affect their ecosystems by eating their prey. But a more subtle impact involves fear. Predators also terrify prey species. And when, for example, elk are hiding, they don't spend as m