How urban seasnakes lost their stripes

Researchers studying turtle-headed seasnakes living on coral reefs in the Indo-Pacific noticed something unusual about the snakes' color patterns: seasnakes living in more pristine parts of the reef were decorated with black-and-white ...

Video: The chemistry of redheads

St. Patrick's Day evokes thoughts of all things often associated with the Irish—including red hair. Chemically speaking, what sets redheads apart from the crowd is pigmentation—specifically melanins.

A fossilized snake shows its true colors

Ten million years ago, a green and black snake lay coiled in the Spanish undergrowth. Once, paleontologists would have been limited to the knowledge they could glean from its colorless fossil remains, but now they know what ...

How do you feel? Video of your face may tell all

Rice University researchers are developing a highly accurate, touch-free system that uses a video camera to monitor patients' vital signs just by looking at their faces. The technique isn't new, but engineering researchers ...

The content of our cooperation, not the color of our skin

It's widely acknowledged that a common threat unites people. Individuals who were previously separated by social class, race or ethnicity come together, forming new cooperative alliances to defeat a common enemy. But does ...

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