West Coast quake warning system now operational, with limits

Automated alerts from the fledgling West Coast earthquake early warning system are ready to be used broadly by businesses, utilities, schools and other entities but not for mass public notification, officials said Wednesday.

Coral study reveals surprising twist

A new study puts a surprising twist—one might even say a double spiral—into our understanding of how coral reefs react to ocean warming and acidification. It also offers the possibility of an early warning system for ...

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