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Airport Security Could Go to 'Electronic Sniffer Dogs'

Dogs are known for a strong sense of smell. Their noses can be trained to identify different odors. Dogs are often used in search and rescue operations and to sniff for things like drugs and explosives. Some dogs have even been trained to s...

Studying How Plastic Pollution Enters Ocean Food Supply

Marcus Eriksen is not really fishing. He is catching plastic in the Atlantic Ocean. Eriksen wants to publicize the growing buildup of plastic waste in our oceans and to study its effects. MARCUS ERIKSEN: "These are five sub-tropical gyres i...

Facial Recognition Systems Bring Privacy Concerns file

Today we take another look at facial recognition systems. These can tag friends in Facebook photos or help police identify suspects in the recent riots in Britain. Kurt Roemer is chief security strategist for Citrix Systems in Fort Lauderda...

New Findings on Sleep in Children, Older Adults

"Sleep-disordered breathing" is a term for a group of conditions that can interfere with normal breathing while people sleep. These include snoring, mouth-breathing and sleep apnea. Sleep-disordered breathing can do more than just leave peo...

A Campaign Against Alzheimer's Disease

The United States government recently announced a major education and research campaign against Alzheimer's disease. The brain-wasting disease has no cure. The plan includes more efforts to develop drugs to prevent it. In the United States,...

Advice for Staying Warm and Safe in Freezing Weather file

Advice for Staying Warm and Safe in Freezing Weather Freezing weather can mean frostbite and hypothermia unless a person is prepared. Today we talk about how to stay warm, dry and safe. Frostbite is damage that happens when skin is exposed t...

What the US 'Debt Ceiling' Means

From VOA Learning English, this is the Economics Report. There has been a lot of talk about the "debt ceiling" in the United States. The debt ceiling is a legal limit on how much the federal government can borrow. Political disputes over th...

Does Physical Activity Lead to Higher Grades?

Recently we told you about a finding that more years of school could help students get higher scores on intelligence tests. That was the finding of a study of teenage males in Norway. Now, other research shows that physical activity may hel...

Gut Bacteria: We Are What We Eat

The human digestive system is full of bacteria -- mostly good bacteria. These organisms help break down food so the body can use the nutrients. Scientists are exploring the link between what kinds of bacteria live in our gut and what kinds ...

Let's Learn English Lesson 20: What Can You Do?

A new online service offers a simple way to let other people know how to say your name correctly. It lets others hear you say it yourself in your e-mail.Today, more people from different cultures work, live and study together. Some worry th...

How to Make Your Own Solar Water Heater

Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design developed some years ago in Afghanistan. Since then, it has been built and used in many countries. I...

How to Introduce Yourself Like an American?

The job market is more competitive than ever for millions of workers around the world. In America, one reason for that right now is high unemployment after the worst recession since the nineteen thirties. But other reasons involve changes i...

For Many People, First the Doctor's Office, Then the Web

A new survey finds that more than eighty percent of Internet users in the United States search for health information online. The survey is from the Pew Research Center's Internet and American Life Project and the California HealthCare Foun...

Drum Circle Widens Into a United Nations of Beats

People with musical instruments come ready to play. Strangers get up to dance. Crowds gather around. You can find them each Sunday at Meridian Hill Park in Washington, DC. For years, Willy Posey has been part of the Meridian Hill Park drum ...

Using the Internet and Social Media to Search for a Job

The job market is more competitive than ever for millions of workers around the world. In America, one reason for that right now is high unemployment after the worst recession since the nineteen thirties. But other reasons involve changes i...

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