September 02, 2014 18:48 UTC

Science & Technology

Scientists Develop a Robot that Can Assemble Itself

A self-folding robot is seen this photo provided by MIT.

The robot is modeled after the ancient Japanese art of origami. It starts as a flat piece of plastic and unfolds itself into a working robot. A self-folding robot could, for example, be placed in the narrow spaces of a collapsed building and unfold themselves to look for and rescue people. More

Audio Could Dinosaurs Have Survived?

Dinosaurs last lived on Earth about 65 million years ago. For many years, scientists have debated how and why dinosaurs disappeared. But improved tools and records of fossil remains have led some experts to agree about the disappearance of these ancient creatures.

Audio Brain Imaging Comes to Children in Poor Countries

Brain imaging was once thought to be too costly and difficult for widespread use in the developing world. But the technology soon may be available in poor countries. The brain scanner can be loaded into a vehicle. Health workers can drive it from village to village.

Audio No Way to Know When Earthquake Will Hit

Last Sunday, an earthquake struck the Napa Valley area of northern California. Some roads bent, while underground pipes burst. It was the strongest earthquake to strike the Napa Valley in 15 years. There is no way to know when the next one hit.

Audio Knowledge Does Not Lead to Action on Environment

Researcher says that recognition of problems does not always lead people to solve them. People may not be very worried about environmental problems if they seem far away from their lives.

Audio Is North Korea Preparing to Strike US Electric Grid?

An advisor to Congress says country’s electric system is mostly unprotected and vulnerable to an EMP attack. He said North Korea tested the plan last year when it put a satellite into orbit. The satellite was in a position where it could carry out such an attack against the United States.

Audio Tiny Robots Learn to Work Together

The Kilobots can only make simple shapes like a sea star or the letter K that are first drawn on a computer. Robot swarms are already in use. The online store Amazon uses robots to move items in its huge storage buildings. And groups of robots search the oceans collecting information.

Audio People Use Too Much Salt

An estimated 1.65 million people die every year from overuse of sodium. The study noted that 40 percent of those deaths happen in people younger than age 70. The great majority of early deaths happened among people from non-wealthy countries.

Audio Tobacco Plant to Make Jet Fuel

Boeing, South African Airways, Dutch biofuel company working together to make biofuel; tobacco farmers may have a new market for their crop | As It Is

Audio A Big Step Forward in Artificial Intelligence Research

The American computer company IBM says it has developed a computer chip that works much like the human brain.

Audio Smart Toilet Prevents Water Pollution in Disaster Areas

A United Nations team is now developing a toilet for disaster areas. The experimental project is called eSOS -- for the Emergency Sanitation Operation System. The system is lightweight and operates on sunlight power.

Audio Scientists Trying To Do Away with Passwords

Hackers around the world are getting better at stealing passwords. A hacker is a person who uses a computer to gain information without permission. Now, some computer scientists are trying to stop hackers by not using passwords

Audio WHO Says Experimental Drugs Ethical for Ebola Patients

The World Health Organization has said it is ethical to give ZMapp to Ebola patients to try to fight the disease in West Africa. The WHO said that use of ZMapp must be done with, in its words, "informed consent, freedom of choice, confidentiality, and respect for the person."

Audio How Does One Find a Meteorite?

It may surprise you to know how many meteorites fall to the Earth. But don't worry. There are many scientists recording their explosions as they impact.

Audio Remember Your Chemistry Classes?

An international team of researchers reports the creation of a new element that is 40 percent heavier than lead | Science in the News

Audio Rosetta Spacecraft Catches a Comet

The Rosetta spacecraft is the first to orbit a comet and is expected to be the first to deploy a probe that will make a soft landing on such an icy solar system body.

Audio Astronauts Train in Underwater Laboratory

Four astronauts recently completed training to help prepare for a planned visit to an asteroid, or space rock. The four trained in a special laboratory five kilometers from Key Largo in southern Florida.

Audio Hollywood Movies Used to Teach Science

Sometimes Steve Wolf gets blown up or is set on fire. But he claims his job is not really dangerous at all. He works as a stuntman and a special-effects expert for movies and television. He says his breathtaking activities result from science. And he likes to share that science with school children.

Audio Where Do We Come From?

Would you like to know where your ancestors came from? British and American scientists may have found answers for you. They have developed a new algorithm to study deoxyribonucleic acid, also known as DNA -- the building blocks of life. | Science in the News

Audio From Birds to Bears, Animals Face Danger Around the World

Hundreds of newly-identified plants and animals in Southeast Asia are in danger. Poachers killed a famous elephants in Kenya. And scientists are working to save polar bears population in Alaska and the Bering Sea.

Learn with The News

  • Employee seen behind glass door of Alibaba's company headquarters on the outskirts of Hangzhou, Zhejiang province, April 23, 2014.

    Audio Alibaba Seeks to Raise Billions in IPO

    The Chinese online company could raise $20 billion by selling stock to the public in the U.S. The company holds an 80 percent share of China’s online market. More

  • Ethnic Rohingya refugees from Myanmar wave as they are transported by a wooden boat to a temporary shelter in Krueng Raya in Aceh Besar, Indonesia, April 8, 2013.

    Audio UN: Boat People Fleeing Myanmar, Bangladesh

    The United Nations says there has been a sudden increase in people fleeing Myanmar and Bangladesh by boat. Activists fear the number will continue to rise as refugees leave unclean camps and violence in Myanmar. They say that is especially true of ethnic Rohingya. More

  • Morgan County dispatcher Larry Holmes talks with a woman reporting a domestic disturbance as deputies respond to her location Friday, April 28, 2007, in Versailles, Mo. Because the 911 call came in on a landline, the address of the disturbance was immedia

    Audio It's an Emergency in Any Language

    In most countries, people can make a telephone call to ask for medical or police help using just three numbers. In the European Union, the number is 1-1-2. Some Asian countries use 9-9-9. In North America, the number is 9-1-1. More

  • A UNICEF worker shares information on Ebola and best practices to help prevent its spread with residents of the Matam neighborhood of Conakry, Guinea in this handout photo courtesy of UNICEF taken Aug. 20, 2014.

    Audio Conflicts, Ebola Put More Demands on UNICEF

    UNICEF says August has been its busiest month for emergency airlifts in the past 10 years. Some of the supplies going to Syria and Iraq are designed to help children deal with the effects of conflict. Some have gone to Liberia for use against the disease Ebola. More

  • FILE - A Vietnamese boy looks at dairy products at a showroom of the Vietnam Dairy Products Co (Vinamilk) in Hanoi.

    Audio Vietnam, We Have a Nutrition Problem

    Vietnam has a nutrition problem: too many of its children are underweight. Yet more and more Vietnamese boys and girls are becoming overweight. The two conditions may appear to be separate, but they are linked. They are both the result of poor diets. More

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