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Gray Hair

April 26, 2005

What causes hair to turn gray? (Toxins build up and kill the pigment cells in the hair follicle.)

April 25, 2005

Hot summers mean a higher risk of West Nile virus epidemics

April 22, 2005

People whose bowls kept filling up with more soup ate more, and fans of a winning team are more …

April 21, 2005

Why do your eyes change over age 40? (Lens becomes less flexible due to aging.)

April 20, 2005

Two kinds of oral bacteria were found in arterial plaque.

April 19, 2005

Why does the Earth spin? (Debris came together to form the Earth was spinning)

April 18, 2005

April 15, 2005

Analyzing colored carrots for phytochemicals, and a compound in grapes inhibits a cancer enzyme.

April 13, 2005

Agricultural methods can keep the diverse organisms in soil healthy.

April 11, 2005

The zombie worm feeds off the oil in whale bones on the ocean floor.

April 8, 2005

Bats can walk and gallop, and octopi can stroll on two legs.

April 7, 2005

Shining x-rays on fingerprints can detect the chemical elements left behind.