10 April 2014, 01:27 AM ET
Psychotropic drugs are being over-used in Australian aged-care facilities to chemically restrain residents, according to both researchers and several government reports. But despite all this attention, little is being done to reduce their use.
10 April 2014, 12:46 AM ET
China’s biggest search engine has a constitutional right to filter its search results, a US court found last month. But that’s just the start of the story.
09 April 2014, 11:28 PM ET
A Cesarean section is a type of surgery used to deliver a baby through an incision in the mother's abdomen.
09 April 2014, 11:02 PM ET
The spleen is an important organ for keeping bodily fluids balanced. It is possible to live without it, but removal of the spleen has serious consequences.
09 April 2014, 08:14 PM ET
Fossilized bee pupae found in the La Brea Tar Pits in Los Angeles suggest the region experienced a very moist period during the Ice Age, a new study says.
09 April 2014, 06:20 PM ET
Apples are low in calories and high in fiber, have only a trace of sodium and no fat. An apple a day may really keep the doctor away.
09 April 2014, 06:13 PM ET
Eating a diet high in saturated fat may increase women's risk of breast cancer, a new study suggests.
09 April 2014, 05:00 PM ET
An ancient Australian relative of the recently extinct Tasmanian tiger could hunt prey larger than itself, unlike its more modern, unlucky relative, new research finds. The discovery comes from a rare full fossil skeleton of the ancient marsupial.
09 April 2014, 04:57 PM ET
A rare sculpted-clay coffin is found in Israel's Jezreel Valley, along with a gold scarab ring and bronze grave goods.
09 April 2014, 04:44 PM ET
Two Swiss pilots who will attempt to fly around the world in a solar-powered plane are planning to give the public a virtual tour of their high-tech ride today (April 10).
09 April 2014, 04:43 PM ET
A gold ring bearing the name of a pharaoh, a bronze dagger and other treasures are among the artifacts found in a Late Bronze Age grave in the Jezreel Valley.
09 April 2014, 04:19 PM ET
It's the size of a golf ball, but a lot more valuable: Scientists at Los Alamos National Laboratory have now verified that a heavy piece of gold, found decades ago in Venezuela, is in fact a single crystal of the valuable element.
09 April 2014, 03:20 PM ET
Xanthan gum helps salad dressing pour easily from the bottle, makes ice cream taste creamier and allows liquid cosmetics to stay blended while on the shelf.
09 April 2014, 03:08 PM ET
A new crayfish, Gramastacus lacus, discovered in southeast Australia's coastal lakes is one of the world's smallest examples of the species.
09 April 2014, 01:46 PM ET
A new solar-powered plane that will be used to fly around the world in five consecutive days without using any fuel was unveiled today (April 9) in Switzerland.
09 April 2014, 01:22 PM ET
09 April 2014, 01:01 PM ET
Amoebae can kill human cells by eating them alive, biting off chunks of intestinal cells until they die, a new study finds. This is the first time scientists have seen this method of cell killing.
09 April 2014, 12:07 PM ET
Women with irregular periods, such as those who go more than five weeks between periods, may be at increased risk of death from ovarian cancer, a new study suggests.
09 April 2014, 11:56 AM ET
In 1913, a young German man tossed a bottle with a message inside into the Baltic Sea. He had no idea that his message would survive two world wars — not to mention more than a century of brutal winters and ocean storms before its discovery last month.
09 April 2014, 10:19 AM ET
California's San Joaquin River is the most endangered river in the country, according to nonprofit American Rivers. The river faces important management decisions this year that could determine its future in the face of heavy demands and drought.
09 April 2014, 10:10 AM ET
Researchers have produced a new ceramic inspired by nacre, the material also known as mother-of-pearl. The new material is much tougher than common ceramics and is derived from the nacre of abalone, a small single-shelled marine mollusk.
09 April 2014, 10:09 AM ET
Researchers have produced a new ceramic inspired by nacre, the material also known as mother-of-pearl. The new ceramic is less brittle than regular ceramic but still handles high heat.
09 April 2014, 10:08 AM ET
An Australian vessel searching for the Malaysia Airlines flight in the Indian Ocean picked up more pings Tuesday that could be from the missing aircraft, Australian authorities said Wednesday.
09 April 2014, 09:10 AM ET
Scientists have built nanobots that can respond to chemical cues and operate inside a living animal. More than that, they can operate as logic gates, essentially acting as real computers.
09 April 2014, 08:35 AM ET
Unsatisfied with mining turquoise from local deposits, ancestral Pueblo people in New Mexico used long-distance trade networks to obtain their precious mineral.
09 April 2014, 07:01 AM ET
The nonprofit American Rivers has highlighted the 10 most endangered rivers in the United States. California's San Joaquin is ranked No. 1, with rivers in South Carolina, North Carolina and Idaho also appearing on the list.
09 April 2014, 06:30 AM ET
Solar Impulse will unveil its new solar-powered plane today (April 9). The aircraft will be used for a first-of-its-kind journey around the world in 2015.
09 April 2014, 03:11 AM ET
The reason why pandas are going extinct is nothing to do with their cycles. It is because so much of their natural environment has been destroyed.
09 April 2014, 02:58 AM ET
The search for the missing Malaysia Airlines flight MH370 has once again intensified now that search planes and ships may have detected a signal from its black box.
09 April 2014, 02:23 AM ET
Where would you put your money?
09 April 2014, 02:04 AM ET
Whether in comedy or at Boeing, Bill Nye has always been a science guy.
09 April 2014, 01:37 AM ET
New book says it's possible to both be a good Christian and gay.