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Saturday, December 15, 2012

ScienceDaily: Top Science News

ScienceDaily: Top Science News

Scientists 'surprised' to discover very early ancestors survived on tropical plants, new study suggests

Posted: 14 Dec 2012 05:09 PM PST

Between three million and 3.5 million years ago, the diet of our very early ancestors in central Africa is likely to have consisted mainly of tropical grasses and sedges, new research suggests.

Engineers develop new energy-efficient computer memory using magnetic materials

Posted: 14 Dec 2012 04:15 PM PST

By using electric voltage instead of a flowing electric current, researchers have made major improvements to an ultra-fast, high-capacity class of computer memory known as magnetoresistive random access memory, or MRAM.

'Liquid that thinks:' Swarm of ping-pong-ball-sized robots created

Posted: 14 Dec 2012 11:30 AM PST

If one robot can accomplish a singular task, think how much more could be accomplished if you had hundreds of them. A research team has developed a basic robotic building block, which they hope to reproduce in large quantities to develop increasingly complex systems. Recently the team created a swarm of 20 robots, each the size of a ping-pong ball, which they call "droplets." When the droplets swarm together, they form a "liquid that thinks."

What mechanism generates our fingers and toes? Genetic studies confirm a mathematical model

Posted: 14 Dec 2012 08:26 AM PST

Researchers have identified the mechanism responsible for generating our fingers and toes, and revealed the importance of gene regulation in the transition of fins to limbs during evolution.
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