Devin Powell

Watching heads wobble measures pulse.

A new imaging study shows the powerful impact food has on the brain.

Scientists find the moment when a rat changes its mind.

Everyone knows that sharks have an amazing sense of smell.

Internal clocks are manipulated to create time zone-resistant mice.

The best visual illusions of 2010 were announced during for the Sixth Annual Illusion of the Year Contest this week.

Research supports idea that overeating can, in extreme cases, be considered an addiction comparable to drug abuse or gambling.

Ig Nobel Prizes spotlighted scientists whose work walks the fine line between silly and significant.

Even before the first warning was issued, it was too late for the inhabitants of the island American Samoa.

Standards may soon be set for the volume of TV commercials.

Researchers are developing a bug spray with a fruity scent.

Ecologists debate the merits of "assisted migration," a controversial strategy to preserve biodiversity

The three best visual illusions in the world were chosen.