New machines can tell us how the brain works.

Glass is used to make beautiful paperweights

The author follows a llama salt caravan across the Andes Mountains. He describes his companions two Quechua Indians and their way of life.

Dr. Barbara Clucas discovered that some squirrels take snakeskin baths to protect themselves.

Is it possible to see "friction" under a microscope?

The Hawaiian cleaner wrasse gets its food by cleaning other fish.

A postmaster recorded the birth of this volcano in Japan.

The author's experience of an elephant seal molting in her backyard.

Why can harbor seals outswim humans?

Alan Craig throws his artwork around--because he's a boomerang artist!