Top news for December 21, 2008

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The Brave New World of A.I.-Powered Self-Harm Alerts

Supercharge Your Daily Walk With These 5 Simple Changes

Engineering the Impossible: Scientists Solve 200-Year-Old Polymer Puzzle

A Single Mutation Could Bring Bird Flu a Critical Step Closer to a New Pandemic

New Quantum Paradigm Challenges Our Understanding of Global Warming

Could Breathing Problems Be Behind Long COVID’s Brain Fog?

The Plight of the Palestinian Scientist

2024 Closes With One of The Year's Best Meteor Showers. Here's How to See It.

Parkinson’s Paradox: New Study Reveals Unexpected Dopamine-Tremor Connection

NASA’s Artificial Star To Unlock Secrets of Exoplanets, Dark Energy, and Supernovae