March 3, 2014 4:04 pm
Researchers revived a virus dormant in a 30,000-year-old ice core. They warn that oil and gas development in far northern latitudes, such as the one shown here, near Salym, Russia, could disturb microbes harmful to humans.
February 19, 2014 2:23 pm
The leaf uses sunlight to break water down into hydrogen and oxygen. Hydrogen can be used to propel spacecraft, and is a potential fuel source for combustion engines and other vehicles.
February 14, 2014 12:53 pm
Crazy enough to use their own venom to detoxify that of a fire ant.
February 14, 2014 12:51 pm
Present-day Native Americans are descended from some of the continent’s earliest settlers, a genetic study suggests.
February 13, 2014 6:44 pm
Most people are carrying around historical records in their DNA, with clues to how people from genetically distinct groups intermingled over the last 4,000 years. That’s the conclusion of a new study in the journal Science.
January 30, 2014 4:57 pm
Many of the genes that help determine most people’s skin and hair are more Neanderthal than not, according to two new studies that look at the DNA fossils hidden in the modern human genome.
January 28, 2014 4:55 pm
In 1986, the space shuttle Challenger launched through frozen skies and exploded just one minute and 13 seconds after lift off.
January 23, 2014 6:05 pm
It arose in a single dog and has survived in canines ever since, with the cancer cells passing between animals when they mate.
January 13, 2014 6:34 pm
Mating between two distinct dolphin species created the clymene dolphin, a genetics study shows.
January 10, 2014 2:30 pm
Test identifies endothelial cells in blood.