Scientific American Magazine

Two experiments have come up with two wildly different values for the proton's radius. What's going on?

Neuroscientists have discovered that some people can remember the details of events from 20 years ago almost as well as those experienced yesterday

Cells and a stiff material called the matrix can squeeze blood vessels in tumors and thus block delivery of cancer-fighting drugs to malignant cells. Now researchers may have a way to reopen vessels and restore the drugs' power

Video games could transform education. But first, game designers, teachers and parents have to move beyond both hype and fear

Chickens are smart, and they understand their world, which raises troubling questions about how they are treated on factory farms

They coil. They swing. They fold. They meander. Streams of honey, oil and other viscous fluids can do things that physicists still don't fully understand

Why you should not be surprised when long shots, miracles and other extraordinary events occur—even when the same six winning lottery numbers come up in two successive drawings