Science at NYTimes

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A confidential Justice Department report found the company was aware early on that OxyContin was being crushed and snorted for its powerful narcotic, but continued to promote it as less addictive.

It’s not always easy to tell if you have heart disease or have had a heart attack.

The scientific start of winter offers a moment to reflect on how we might not be here to witness the changing seasons without Earth’s particular tilt toward the sun.

There are active steps you can take during and after a crisis to speed your emotional recovery.