Dan Kriesberg tells how his observations as a child helped him become a wildlife biologist.

Travel around Lake Superior with this hiker.

Marisa tries to play a different role in the annual dance.

Scientists study the activities of blue jays realizing that the birds help our planet by planting oak trees.

Dr. Jonathan Copeland studies synchronous fireflies.

Fossil footprints led two boys to an important discovery.

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.

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

New machines can tell us how the brain works.