Surveys of 50,000 people found that those who smoked marijuana had sex more often than those who abstained from the drug. What is unclear is whether other factors explain the apparent link.
The high court in Massachusetts is weighing legal and scientific evidence to decide whether a woman convicted of larceny violated the terms of her probation by relapsing into drug use.
An influential Harlem church is trying to help the National Institutes of Health overcome reluctance by some African-Americans to participate in a medical study of 1 million diverse Americans.
By rushing live brain cells from the operating room to the lab, scientists have been able to create three-dimensional reconstructions of cells that reveal their electrical behavior and shape.
Hurricane Harvey dumped 50 inches of rain on parts of Houston. Scientists are now trying to identify contaminants spread by the storm, including those in mud at the bottom of the Houston Ship Channel.
Despite my skepticism at the outset, for a light and amusing TV sitcom "The Good Place" does a pretty good job with philosophy — and a pretty good job with human psychology, too, says Tania Lombrozo.
A comparison of two memory training methods often used by scientists found that one was twice as good as the other. But neither succeeded in turning people into cognitive superstars.
"It starts out with one little thought, and then slowly that becomes the only thought that you're able to have," Green says. His new novel, Turtles All The Way Down, is about a teenage girl with OCD.