Skin Pigment

How skin pigment protects us from UV rays

To protect the body from the dangerous ultraviolet (UV) rays from the sun, skin pigment converts UV radiation into harmless heat through a rapid chemical reaction, a study says.

Sep 27, 2014, 13:29 PM IST

Fossil pigments reveal extinct sea monsters had black skin

Scientists have revealed the color of three multi-million-year old marine reptiles, suggesting that the pigment shows that these animals were, at least partially, dark-coloured in life, which is likely to have contributed to more efficient thermoregulation, as well as providing means for camouflage and UV protection.

Jan 09, 2014, 10:42 AM IST