A good night's sleep protects against parasites

Animal species that sleep for longer do not suffer as much from parasite infestation and have a greater concentration of immune cells in their blood according to a study published in the open-access journal BMC Evolutionary ...

Ancient toothed turtles survived until 160m years ago

Today's turtles don't have teeth; they cut off their food using hard ridges on their jaws. But their ancestors were not so dentally challenged. A team of international researchers including Dr. Márton Rabi from the Biogeology ...

Adelie penguin numbers may expand as glaciers retreat

Shrinking glaciers could lead to increasing numbers of Adélie penguins (Pygoscelis adeliae) in East Antarctica, according to research published in the open access journal, BMC Evolutionary Biology.

Fossil arthropod went on the hunt for its prey

A new species of carnivorous crustacean has been identified, which roamed the seas 435 million years ago, grasping its prey with spiny limbs before devouring it. The fossil is described and details of its lifestyle are published ...

page 4 from 8