Were people smoking cannabis 2,800 years ago? A new ancient tomb discovery suggests potentially

People were possibly getting high off cannabis earlier than previously thought, according to a new scientific study. View on ...
nytimes.com

Maps: Tracking Air Quality and Smoke From Wildfires in Canada and the U.S.

Wildfires in Canada, the United States and Mexico often send smoke throughout the continent. Smoke forecast Light Medium Heavy Source: Global Systems Laboratory, National Oceanic and Atmospheric ...