It's not just useless crap.
Plus adorable echidna puggles
Drugs have been found in wastewater around the world.
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.
Synthetic marijuana has been shown to get people good and high. But this is not your parents' weed.
The unfair science behind the M(J) Phelps suspension
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
In the dark and chatty world of avatars and assumed identities, this cybercop is a virtual Sybil, trolling for creeps and thieves.
It's arson, bomb and booby trap week at one of the nation's toughest forensics schools.
What happens when states ease up on penalties for possession
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.
Medical and otherwise
This is the first study to compare smoking marijuana and pills that contain the psychoactive chemical in the plant.
Related: Can cats get high on marijuana?
From our archive: a reporter's LSD trip, a guide to getting high during Prohibition, and more
Researchers find promising antibacterial agents in marijuana
Researchers have discovered the benefits of THC in the brain
It's impressive researchers have managed to conduct even that many studies.
While the medical marijuana debate rages on, drug companies race to leverage the power of pot
A forensic chemist at a Massachusetts crime lab was arrested for tampering with drug evidence recently. A bad egg or the product of perverse incentives?
Well, that settles that
Spectrographic breath analysis is more reliable and sensitive than a urine test
