Top news for December 21, 2008

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Northern lights may be visible in 10 states Dec. 23-24

The Pentagon and A.I. Giants Have a Weakness. Both Need China’s Batteries, Badly.

Indian rocket launches record-breaking BlueBird 6 smartphone satellite to orbit (video)

Northern lights chances rise for Christmas as space weather remains unsettled

U.S. Takes a Step Toward Approving Seabed Mining in International Waters

Mathematician Shares 10 Festive Brain Teasers That Anyone Can Try

These nanoparticles kill cancer cells while sparing healthy ones

Your roommate’s genes may be shaping your gut bacteria

Stanford Scientists Discover Why mRNA-Based COVID-19 Vaccines Can Cause Myocarditis

This new 3D chip could break AI’s biggest bottleneck