Life Sciences Sep 23
It has long puzzled scientists why, after 3 billion years of nothing more complex than algae, complex animals suddenly started to appear on Earth. Now, a team of researchers has put forward some of the strongest evidence yet to support the hypothesis that high levels of oxygen in the oceans were crucial for the emergence of skeletal animals 550 million years ago.  The new study is the first to distinguish between bodies of water with low and high levels of oxygen.
Life Sciences Sep 23
Life Sciences

It has long puzzled scientists why, after 3 billion years of nothing more complex than algae, complex animals suddenly started to appear on Earth.

Social Sciences Sep 22

Experts from Cardiff University are developing a statistical tool that uses social media to make real-time predictions of where hate crimes may occur.

Earth Sciences Sep 22
Earth Sciences

A new study based on GPS measurements of the Earth's crust suggests that previous calculations of past and present-day mass loss in the Greenland Ice Sheet may have been underestimated.

Medicine Sep 22
Medicine

Stress is a common problem often resulting in poor health and mental disorders. New research has revealed that current concepts on how stress hormones act on the brain may need to be reassessed.