After the drug was dismissed by the pharmaceutical company that developed it, a researcher started experimenting on himself with it. Powerful hallucinations ensued.

Her husband, Ted Hughes, drew on his childhood to create powerful poetry.

“As scientists we have a responsibility to be accurate about such comparisons.”

Filtering out distractions might be more important for the brain than highlighting important information.

Some Texans are calling for the extermination of this exotic African transplant. But others depend on it.

Readers weigh in on eating habits, politics, and morality.

Artificial intelligence will redefine some of our deepest assumptions about the makeup of the world around us.

Corporations and private-equity funds have been rolling up smaller chains and previously independent practices.