Robosquirrels versus rattlesnakes

Robot squirrels - or robosquirrels - are going into rattlesnake country to help scientists learn how real squirrels interact snakes. Watch the video!

Twins: 1 in 30 babies born in U.S. is a twin

In 2009, one in every 30 babies born in the United States was a twin. That's compared with one baby in every 53 were twins in 1980.

Foot fossil confirms two human ancestor species co-existed

The partial foot fossil indicates a creature that walked upright but that still had an opposable toe, which made it good at climbing trees.

A camera that can see around corners

Great new video shows a new camera that can see around corners - how it works. Neat! The camera was developed by researchers at MIT.

Brain cells hold memories, say researchers

Researchers say brain cells hold memories. Memory engrams - traces of memory do reside in brain cells, say researchers from MIT and Stanford.

Hidden water use, by Charles Fishman

Watching your flat screen TV uses water. So does running your computer. Fishman talked about water use that we might not think about - or even know about.

Mysterious ‘Red-deer Cave people’ fossils found in China

Fossils from two caves in southwest China have revealed a previously unknown Stone Age people. These cave people hunted the now extinct red deer.

Corn insecticide linked to honeybee die-off

New research has linked springtime die-offs of honeybees with insecticides used to coat corn seeds. Any honeybee is susceptible.

Chemistry makes up the world we live in: George Whitesides:

"The world we live in is chemistry," George Whitesides told EarthSky, and described what it means to be a chemist today.

Gorillas more closely related to us than thought

Researchers have completed the genome sequence for the gorilla. It turns out that about 15% of our genome more closely resembles gorillas' than chimpanzees'.