A state-by-state breakdown of policies that could change your community.
It's not just useless crap.
What happens when states ease up on penalties for possession
Medical and otherwise
An anti-dopamine drug could block the addictive rush associated with THC.
It's impressive researchers have managed to conduct even that many studies.
Now that recreational marijuana is legal in two states, lawmakers and law enforcement have to grapple with how best to deal with cannabis-impaired drivers.
One man's experience with LED grow lights
Hint: not pot
This is the first study to compare smoking marijuana and pills that contain the psychoactive chemical in the plant.
The nation's research-grade cannabis is controlled by the National Institute on Drug Abuse, whose mission to curb use is at odds with that of researchers looking to study pot's therapeutic properties.
For the first time since the 1970s, researchers are being allowed to study the potential medical properties of the most tightly controlled substances around. But it's not easy.
Synthetic marijuana has been shown to get people good and high. But this is not your parents' weed.
Well, that settles that
Synthetic marijuana brand Spice may still technically be legal in the United States, but it's quickly getting banned around the world
Obesity is booming, yet there are only two medications approved for long-term weight loss. Why is it so hard to make a diet pill that works? For one thing, evolution hates diets
Sewage is more than just filth. It's evidence of our worst habits, everything from caffeine to cocaine, all ingested and flushed down the toilet. Now scientists are using wastewater to drug-test entire cities, and the results are sobering
While the medical marijuana debate rages on, drug companies race to leverage the power of pot
It's arson, bomb and booby trap week at one of the nation's toughest forensics schools.