This seems a bit counter-intuitive, but a new study has shown that marijuana protects people from the emotional pain of being socially excluded.

Hmm, this plot sounds somewhat familiar: A physics technician from the University of Bristol has been sentenced to 18 months in jail after using equipment in the university's lab to prepare more than $15,000 worth of cocaine for sale on the city's streets.

Timothy Leary is one of the most famous 1960s icons, both for his advocacy of LSD, and his visions of a future where humanity is liberated from outdated morality. And now, you can learn about the man's inner life in a fascinating new biography written by R.U. Sirius — free online.

Which drugs are actually killing Americans? Popular Science combed through overdose statistics from the CDC and turned the numbers into an infographic.

This is a map of "all meth clandestine laboratory incidents including labs, dumpsites, chem/glass/equipment" in the U.S. in 2012, by state. It was created by the DEA and is freely available on the website of the Department of Justice. Here, in no particular order, are some things we can take away from this map:

Ever been drunk? So drunk you couldn't drive/speak without slurring/be trusted with a cell phone? Sure you have. Ever wished you could just sober up on the spot, without resorting to such humiliating (not to mention mythbusted) techniques as chugging coffee or splashing icewater on your face? Of course. But you can't.…

Three drivers, plenty of pot, a driving course and a drug recognition expert from the local Sheriff's department. You know where this is going.

To combat the rampant manufacture of meth, Iowa passed a bill in 2005 making it one of the first states to place pseudoephedrine behind the counter at pharmacies and placing limits on how much of the drug individuals could purchase. And, in 2010, Iowa joined the national database to track the purchase of…

Is your cat in danger of developing catnip psychosis? Are they strung out on the 'nip? Chasing the green dragon? Sit your feline friend down in front of Catnip: Egress to Oblivion?, a trippy parody of anti-drug filmstrips, and then have a serious discussion about their catnip habit.

Researchers can't seem to make up their minds about the long-term cognitive effects of marijuana. Some studies have shown that it reduces brain power and impairs working memory, while other studies are indicating that it can suppress brain inflammation and confer other neuroprotective properties. And now, perhaps…