Magnetoreception molecule found in the eyes of dogs and primates

Cryptochromes are light-sensitive molecules that exist in bacteria, plants and animals. In animals, they are involved in the control of the body's circadian rhythms. In birds, cryptochromes are also involved in the light-dependent ...

Fish eye sheds light on color vision

A fish eye from a primitive time when Earth was but one single continent, has yielded evidence of color vision dating back at least 300 million years, researchers said Tuesday.

How early mammals evolved night vision to avoid predators

Early mammals evolved in a burst during the Jurassic period, adapting a nocturnal lifestyle when dinosaurs were the dominant daytime predator. How these early mammals evolved night vision to find food and survive has been ...

Cone snail venom controls pain

Components of the venom from marine cone snails can block the transmission of signals between nerve cells in minute quantities. This makes them potentially suitable for use as a novel analgesic. Researchers from the universities ...

Sharks are colour-blind: study

Sharks may be unable to distinguish between colours, according to a lab study published on Tuesday that could benefit swimmers, surfers and sharks themselves.

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