Top news for December 21, 2008

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Soyuz MS-25 lands from ISS with NASA astronaut and record-setting cosmonauts (video)

Experts discover the deadly genetics of cholera, which could be key to its prevention

International Space Station: Live updates

Earth Had a Ring 466 Million Years Ago, Study Says

This Stunning Crystal Could Preserve The Human Genome For Billions of Years

Aliens May Be Doomed by Inescapable Climate Change, Study Finds

Study: Diabetes Drug May Cut Risk of Alzheimer’s and Parkinson’s by 20%

Addiction’s Gender Divide Revealed: Tailoring Alcohol Treatment to Biochemistry

An AI can beat CAPTCHA tests 100 per cent of the time

A Big Ring in the sky challenges modern cosmology