A clear, molecular view of how human color vision evolved

Many genetic mutations in visual pigments, spread over millions of years, were required for humans to evolve from a primitive mammal with a dim, shadowy view of the world into a greater ape able to see all the colors in a ...

Zebrafish stripped of stripes

Within weeks of publishing surprising new insights about how zebrafish get their stripes, the same University of Washington group is now able to explain how to "erase" them.

Green light for clever algae

Phytoplankton not only constitutes the foundation of the food chain in the oceans, it also fixes carbon through photosynthesis and generates oxygen with the help of solar energy. A considerable part of phytoplankton is made ...

How the zebrafish gets its stripes

The zebrafish, a small fresh water fish, owes its name to a striking pattern of blue stripes alternating with golden stripes. Three major pigment cell types, black cells, reflective silvery cells, and yellow cells emerge ...

Why white dogs are white

(Phys.org) —About half of all dogs show some form of white spotting which can range from a few white marks in the Bernese mountain dog to extreme white coat color in Dalmatians and white boxer. But why have dogs so often ...

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