News tagged with pigments

More than skin deep, tanning product of sun's rays

People who remain pale and never tan can blame their distant ancestors for choosing to live in the northern reaches of the globe and those who easily achieve a deep tan can thank their ancestors for living in the subtropical ...

Jun 21, 2010 4.5 / 5 (2) 0 | with audio podcast

When it comes to security, think 'natural'

Security systems could be more effective if officials looked at how organisms deal with threats in the natural world, University of Arizona researchers suggest in the May 20 edition of the journal Nature.

May 20, 2010 5 / 5 (5) 0 | with audio podcast