A pinch of baking soda for better vision?

Bicarbonate (baking soda) makes sparkling water sparkle, causes bread to rise, absorbs odors and can be used for cleaning all sorts of stuff, including your teeth. In the body, it plays essential roles in buffering pH, aiding ...

Many sharks colour blind, research confirms

(Phys.org)—New research which could help to deter and conserve sharks has confirmed that many of the ocean predators are probably completely colour blind. 

There is more to bats' vision than meets the eye

The eyes of nocturnal bats possess two spectral cone photoreceptor types for daylight and colour vision. Reporting in the open-access, peer-reviewed journal PLoS ONE, scientists at the Max Planck Institute for Brain Research ...