Dr. Jonathan Copeland studies synchronous fireflies.

"Human beavers" are scientists and field workers who build "starter dams" to improve damaged stream habitats and encourage beavers to settle there.

Read how one artist's memories are carved into stories.

Learn about "change blindness"--how we can look at something but not really see it!

How does the male weaverbird make such a perfect nest? By building it over and over again until he gets it right.

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.

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

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