March 31, 2015 23:52 UTC

Science & Technology

Land-Use Changes May Increase Risk of Plague

Conversion of forests to agricultural use create starkly different habitats for small mammals that carry zoonotic disease such as plague, resulting in increased risk of plague transmission. (Photo Credit: Douglas McCauley)

03/30/2015
Efforts to increase food production in Africa may be increasing the risk of plague infection. A new report looks at efforts to clear land for farming in natural, undeveloped areas of Tanzania. The report links the development of croplands to an increase in the number of rats carrying the plague. More

Video Dead Sea Scrolls Still Have Lessons to Teach

A California museum is now showing the largest exhibit of the Dead Sea Scrolls ever seen outside of Israel. There are 20 Dead Sea Scrolls and many other royal and ritual objects on display in the exhibit. Modern science is revealing hidden texts and the exact age of the scrolls.

Video Could Drones Help Save Rhinos in South Africa?

Searching for illegal hunting is best done from above. But piloted flights are costly. Now, some college students have made a drone to look for poachers. It is low cost and can observe more places than other aircraft. South African officials may find drones a good tool in animal protection efforts.

Video NASA to Study Astronaut on Yearlong Mission in Space

US astronaut Scott Kelly is scheduled to go to the International Space Station for a second time. Scientists hope the yearlong mission will provide important information about the physical and mental effects of living in space for a long period and pave the way for a future piloted flight to Mars.

Audio Overfishing Opponent Wins Environment Prize

A leading American supporter of a method to prevent overfishing, Jane Lubchenco, has won a major environmental prize. Jane Lubchenco served as head of the National Oceanic and Atmospheric Administration from 2009 to 2013. She won this year's Tyler Prize for Environmental Achievement.

Video Satellite Will Watch Sun Storms, Send Warnings to Earth

Strong storms on the sun can cause problems for satellites, radio communications and even airplane travel. A satellite is now traveling 1.5 million kilometers to enter the sun’s orbit, just in time to observe the extreme weather on the sun at its most violent time the sun’s 11-year cycle.

Video Scrap Metal Separation May Become Less Costly

But when old cars, household appliances and industrial equipment are thrown away, metals are mixed and often difficult to separate. So they are usually placed into landfills without being separated. But scientists say they have created a very accurate method to separate these light metals.

Video Graphene: The Material of the 21st Century

Graphene is a type of graphite mineral. Experts often call it 'The Material of the 21st Century' because of its special properties. Some U.S. companies are already using graphene for new technology products. Graphene is often described as a one-atom-thick layer of carbon.

Quiz - Feed People or Save the Planet?

See how well you understand the Health & Lifestyle report by taking a short quiz.

Video Volunteers Get Taste of Mars in Hawaii

Six volunteers are living high top Mauna Loa, a volcanic mountain on the Big Island of Hawaii. They are unable to have direct contact with other people for eight months. The current crew has been living there since October, and will stay until June. They are seeing what life on Mars might be like.

Quiz - Jet Lag Causes and Ways to Avoid it

See how well you understand the Health and LIfestyle report by taking a short quiz.

Video Worms Get Ready to Fly in Space

Humans are well-equipped for life on Earth. But in space, it is a different story. Low or zero gravity changes how the blood flows and causes motion sickness. But scientists at the University of Delaware are experimenting with little worms to better understand how space travel affects astronauts.

Audio Iran's Next Step in Building a 'Halal' Internet

For years, officials in Iran have talked about building what they call a “Halal Internet.” Recently, government officials in Iran unveiled a new measure in their continuing effort to monitor where its citizens can and cannot online. It is an Iran-only search engine called Yooz.

Video Saharan Dust Feeds Amazon Rainforest

Saharan dust makes the trans-Atlantic journey from the Sahara Desert to the Amazon rainforest. The Amazon receives about 22 thousand metric tons of Saharan dust each year. Scientists say dust is an important provider of fertilizer.

Video Scientists Search for Ways to Feed an Ever-Growing World

As the population grows and temperatures rise it will become more difficult to grow enough food for everyone. So, scientists are exploring the planet for plants that do not need as much water as today’s crops. The Mojave Desert in the U.S. state of California is home to some of these plants.

Quiz - Worms Get Ready to Fly in Space

See how well you understand the Science Report by taking this short quiz.

Video New Technology Lets Us Hear Famous Voice from 1880s

March 10th is the anniversary of the first successful telephone call. Alexander Graham Bell was one of the inventors of the telephone. He completed that first call 139 years ago. He also played an important part in creating sound recordings. New software can turn a digital image into sound.

Audio Is Apple Watch Getting Closer to Our Hearts?

The Apple Watch is a miniature, or very small, computer a person wears on his or her wrist. There will be three models with straps to attach them to your wrist. An Apple Watch will be able to do many of the same things as an iPhone. It will show email, texts, news, and send a heart beat.

Audio Solar Powered Plane Starts World Tour

A Swiss airplane powered only by energy from the sun left from Abu Dhabi early on March 9. Its creators hope the plane will make the first around-the-world journey without any fuel. Internet viewers can go to the Solar Impulse website to see the plane's location and listen to the pilots.

Learn with The News

  • Audio Nigerian President Goodluck Jonathan Admits Defeat

    Also, Iranian and U.S. negotiators agree to take more time to try to reach an agreement on Iran's nuclear program; new U.S. Treasury sanctions target Syrian official and companies; and the government of Myanmar and representatives from 16 major ethnic rebel groups sign a draft cease-fire accord. More

  • Starbucks' April Fools' Day prank: New giant and very tiny coffee cups

    Video A Day for Fools

    April Fools’ Day is celebrated in many countries around the world. In France, it’s called Poisson d’Avril or “Fish of April.” In Scotland, the holiday is often called “Gowkie Day.” In Iraq, it is called Kithbet Neesan or “April Lie.” In the U.S., it is a day of joking and playing tricks on friends. More

  • Audio Tensions Rise Again over Falkland Islands

    Britain and Argentina went to war for the territory in 1982. The British win helped the country's government win re-election. Argentina says Britain's move to increase security on the islands now is political and provocative. Argentina has officially protested to several international organizations. More

  • Audio UN Agency Questions Thailand’s Air Safety

    The UN International Civil Aviation Organization (ICAO) reported “significant safety concerns” with Thailand’s air safety practices last week. The negative report may prevent some flights from coming out of the kingdom and forced Thailand’s government to deal quickly with the results on Monday. More

  • medieval

    Video US Restaurant Serves Medieval Art of Fighting

    European martial arts, unlike popular Asian martial arts, are not widely practiced and are unknown to most people. But, a restaurant near Washington is the center of an effort to make the Medieval fighting skill more popular. More

Featured Stories

  • Health workers take a blood sample from a child in Gusau, northern Nigeria.

    Audio Study: Women Prefer to Go to Female Health Workers

    A study in mainly Islamic communities in northern Nigeria found that women were more likely to see female health care workers. Male health workers do travel from town to town, but many women patients do not want to talk with a man about their own health care needs. More

  • A woman wakes up on downtown Los Angeles' Skid Row, March 7, 2013.

    Video Community Center Helps Women on Skid Row

    Many homeless people live in the “Skid Row” area of Los Angeles, California. These men and women have no permanent place to live. Skid Row is a place where many social service groups can be found. They work to help the homeless find work and a place to live. One such organization works with women. More

  • Audio New Treatment for AIDS Called a ‘Big Deal’

    Read on to learn words like mutate, neutralize and antiretroviral as you learn how researchers have found a way to trick HIV, the virus causing AIDS, into killing itself. The difficulty level might be high as this article describes what happens when a genetically modified cell becomes an HIV killer. More

  • Video Angelina Jolie Has Second Surgery to Prevent Cancer

    The 39-year-old actress published a piece in The New York Times about her decision to have her ovaries and fallopian tubes removed to protect herself from cancer. She had a double mastectomy two years ago for the same reason. The latest surgery leaves the mother of six unable to have more children. More

  • Space Rocket to Launch Weather Satellite Into Deep Space

    Video Satellite Will Watch Sun Storms, Send Warnings to Earth

    Strong storms on the sun can cause problems for satellites, radio communications and even airplane travel. A satellite is now traveling 1.5 million kilometers to enter the sun’s orbit, just in time to observe the extreme weather on the sun at its most violent time the sun’s 11-year cycle. More

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