Top news for December 21, 2008

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6 Months After Infection, 76% of COVID-19 Patients Are Still Suffering Symptoms

Sculpted in Sculptor: An Incredibly Beautiful Barred Spiral Galaxy

SARS-CoV-2 infection demonstrated in a human lung bronchioalveolar tissue model

AI Drug Discovery Startup Valo Raises $190 Million And Unveils Cancer Therapy Programs

New nanostructured alloy for anode is a big step toward revolutionizing energy storage

The Milky Way may have less dark matter than astronomers thought

Sleep evolved before brains did, study finds

Marijuana use typically drops at the beginning of the year, then climbs in summer and fall

Scientists ‘program’ living bacteria to store data

New evidence of health threat from chemicals in marijuana and tobacco smoke