Facebook studied to see how friendships form

Researchers found that tastes in books don't seem to influence Facebook friendship formation in the same way that tastes in music and movies do.

Biofuel from Christmas paper and cards

Don't stop recycling just yet, but if the technology were more developed, your Christmas waste could become biofuel to power motor vehicles.

Lux Aurumque by Eric Whitacre’s virtual choir

This video brings individual voices from around the globe together in a cyber internet choir to sing the hauntingly beautiful Lux Aurumque.

New biofuel inspired by fir trees

A new type of renewable biofuel was created by scientists from the Joint BioEnergy Institute based on fragrant terpenes found in fir trees.

Worldwatch Institute: Global natural gas regains momentum

Worldwatch Institute Vital Signs Online report points to a rise in fossil fuel consumption and renewed popularity of natural gas as an energy resource.

A living neon sign made of millions of glowing bacteria

A team of scientists has created a living neon sign composed of millions of bacterial cells that periodically fluoresce in unison like blinking light bulbs.

Brain longevity helped by eating less, scientists say

Italian scientists discovered a molecule for brain longevity - turned on by eating less. It might lead to future anti-aging therapies.

Evolution might favor men who misinterpret sexual cues

The kind of guy who misinterprets sexual cues and goes for it at the risk of being rebuffed might score more often, according to these researchers.

Pamela Ronald on breaking bacteria’s code

Pamela Ronald describes how researchers have deciphered a new chemical code that disease-carrying bacteria use to rally themselves. They call it Ax21.

Neil deGrasse Tyson: Learning how to think is empowerment

Neil deGrasse Tyson told EarthSky, "It's essential that as many Americans grow up to be scientifically literate as possible."