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Stephen Johnson
Executive Editor, Big Think
Stephen Johnson is Executive Editor at Big Think. His writing has appeared in PBS, U.S. News & World Report, and newspapers and magazines across the Midwest. He lives in St. Louis.
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The videos raise serious legal and moral questions about police crowd-control tactics.
It's one of the nation's worst oil spills on record.
On Friday, the moon will pass through the Earth's outer shadow, known as the penumbra.
Got any embarrassing old posts collecting dust on your profile? Facebook wants to help you delete them.
The program aims to notify people after they've come in close contact with someone who tested positive.
Currently, more than 100 COVID-19 vaccines are being developed worldwide.
The Demo-2 mission represents a new era for American spaceflight.