Top news for December 21, 2008

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Where does gold come from?—New insights into element synthesis in the universe

Louder Singers Are Bigger Covid-19 Spreaders

Human Faces Reflect a Wider World of Emotion Than We May Realize

Rubbing Up against Sharks May Feel Good despite the Danger

Warning Scale Unveiled for Dangerous Rivers in the Sky

The prostate cancer cell that got away

Russia defends anti-satellite test amid US criticism

Pollutant emissions in major seaports likely to have spiked during the COVID-19 pandemic, study finds

On this day in space! Oct. 14, 1947: Chuck Yeager smashes the sound barrier.

Peloton vs Echelon: Which exercise bike is better?