melanin

Fossil Pigment Shows Colors Of 50 Million-Year-Old Mammals

By R. Siva Kumar - Oct 01, 2015 05:19 PM EDT

Scientists discovered a technique to identify the color of fossils that were as old as 300 million years.

Sun Could Cause Cancer For Four Hours Even In The Dark

By R. Siva Kumar - Feb 20, 2015 06:35 PM EST

New research shows that exposure to sunlight could cause cancer even after you move away from it.

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