However, a new study of European jackdaws shows that this strategy has its limits: when sleep-deprived, these clever, social birds were more likely to fall into deep sleep in both brain halves – even ...

Scientists have discovered Ikaria wariootia, a 555-million-year-old fossil in Australia, believed to be the earliest ancestor ...

Cells constantly shift and transform, triggering the complex choreography that shapes living organisms. Whether dividing into new cells or sculpting an embryo, these tiny movements rely on chemical ...

Russia Warns of 'Symmetrical Response' to Ukrainian Attacks on Energy Facilities MOSCOW (Reuters) - Russia reserves the right to a "symmetrical response" to Ukrainian attacks on Russian energy ...

The natural world is home to an astonishing variety of life, but some creatures are so rare that only a handful remain in existence. These animals, often teetering on the edge of extinction, are ...

Eli Elster 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 ...

(A) Diagram of experimental set up. A dissected chick embryo was cultured and live imaged on a microscope and cellular flow was studied. (B) PIV analysis showing streamlines, indicating an ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean ...

Physicists have struggled for seven decades with the question of why there is more matter in the universe than antimatter. Analysis of decay of certain subatomic particles observed using the Large ...