To Baldomero Olivera, venom is nature's drug industry.
What happens when states ease up on penalties for possession
We've rounded up 2014's most mind-blowing images for your viewing pleasure
The same receptors also detect pain from heat, strong acids, and inflammation. Is that why habaneros taste like burning?
Babies' genomes hold clues that can save their lives, but that same information could be used in far less noble ways. Where should we draw the line?
From arsenic to Prozac to the passage of the Pure Food and Drug Act.
With the release of the DSM-5 this month, psychotherapist Gary Greenberg questions whether psychiatry's diagnostic Bible can truly get at the nature of mental suffering.
Street names aside, who comes up with crazy non-words like Zyrtec, tenofovir and Xeljanz?
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.
With a decade of war winding down, post-traumatic stress disorder is an increasingly urgent problem. Will the Army's efforts work?
Early treatment answers some questions, raises others
Tiny nanoparticles are a huge part of our lives, for better or for worse.
Out of the wild
A rare form of meningitis has infected more than 200 people and claimed 15 lives. Are you at risk? And how did the outbreak start in the first place?
The next big breakthrough in synthetic biology just might come from an amateur scientist
Science needs the fearless
Inducing therapeutic hypothermia can prevent damage from oxygen deprivation in trauma patients
The ability to reprogram the immune system is one of the most sought-after goals in medicine. Now researchers are closer than ever to pulling it off in patients with Type 1 diabetes, one of whom happens to be our correspondent
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
The author subjects himself to genetic tests, scans and other high-tech diagnostics to report on how the trend toward "personalized medicine" will affect us
Technology may be ushering in a golden age of stalking, in which predators use GPS, cellphones and other devices to track and terrorize.
In the dark and chatty world of avatars and assumed identities, this cybercop is a virtual Sybil, trolling for creeps and thieves.
Last July, 9-year-old Alex Everett received his first shot of synthetic human growth hormone--an injection he will get every night for eight years. Alex is not sick--he is short. Should we be treating stature as a medical condition?