Top news for December 21, 2008

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Our Bodies Replace Billions of Cells Every Day

Diet + exercise + chemo = increased survival in youth with leukemia

Mice with hallucination-like behaviors reveal insight into psychotic illness

Biden’s Big Bet: Tackling Climate Change Will Create Jobs, Not Kill Them

Possible trigger for Crohn's disease identified

Genome sequencing shows coronavirus variation drives pandemic surges

Dark matter 'annihilation' may be causing the Milky Way's center to glow

Gut microbiota in cesarean-born babies catches up

Low risk of researchers passing coronavirus to North American bats

A single injection reverses blindness in patient with rare genetic disorder