Top news for December 21, 2008

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How Nine Covid-19 Vaccines Work

Spectacular Snowcapped Mountains Discovered on Pluto Are Very Different to Those on Earth

The Sediments Of Time By Meave Leakey — Review

New coronavirus variants: What are they and how worried should we be?

Blue UFO soars over Hawaii before crashing into the sea

Biden Climate Team Says It Underestimated Trump's Damage

A bit too much: reducing the bit width of Ising models for quantum annealing

The new face of the Antarctic

Researcher cracks the hidden strengthening mechanism in biological ceramics

New strategy to fight world’s most potent poison passes first tests in animals