Three ways to prevent school shootings, based on research

In the months leading up to his 2012 attack that killed 26 people in Newtown, Connecticut, a 20-year-old man exhibited a cascade of concerning behaviors. He experienced worsening anorexia, depression and obsessive-compulsive ...

Preventative fires credited with saving Yosemite sequoias

A famed grove of giant sequoias in Yosemite National Park survived its first wildfire in more than a century, thanks to efforts to regularly burn the undergrowth beneath the towering trees, a forest ecologist who toured the ...

How to fight illegal cocoa farms in Ivory Coast

The world's love for chocolate has helped decimate protected forests in western Africa as some residents have turned protected areas into illegal cocoa farms and hunting grounds.

Barr warns time's running out for companies to open encryption

Attorney General William Barr issued a sharp warning that time may be running out for Facebook Inc. and other technology companies to come to a voluntary agreement providing law enforcement officials with access to the encrypted ...

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