WHEN Mr. Darwin published his “ Origin of Species,” he stated it to be only the forerunner of a more complete work on the subject, in which he hoped to present the evidence on which his conclusions ...

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

Mauno Vihinen does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Scientists studied puddle frogs to identify genetic variation hotspots and places where the climate crisis could wipe out populations too homogenous to adapt Even widespread species could be ...

Does evolution follow certain rules? Can these rules be predicted? Southeast Asia’s tree shrews break multiple rules when it comes to body size variation – with an unexpected twist – according to ...

This is a preview. Log in through your library . Abstract Assessing variation in animal coloration is difficult, as animals differ in their visual system properties. This has led some to propose that ...

Behavioral variation in animals is often influenced by experience. Previous studies have found that daily threatening experiences can enhance fear- and anxiety-like behaviors in some vertebrates.