PULLMAN, Wash. — USDA research weed scientist Olivia Landau asks big questions about weeds in wheat farming. Landau is part of the Pacific Northwest Herbicide Resistance Initiative, which identifies ...

What should you do if your pot-smoking neighbor is stinking up your yard? Why aren’t there any legally licensed consumption lounges in the city of Los Angeles but somehow four in West Hollywood? And ...

New York is in its third year of legal recreational cannabis sales, with over 300 legal dispensaries now open and a state crackdown on illegal shops ongoing. With the legality of smoking weed firmly ...

Add Yahoo as a preferred source to see more of our stories on Google. (Los Angeles Times photo illustration; photos via Getty Images) What should you do if your pot-smoking neighbor is stinking up ...