Our skin is the first line of defense against insects, parasites, and other irritants. How do we defend it? Step inside the science of scratching with a video from an informative playlist. Topics include how itching evolved, what happens...

It turns out some wasps have a lot of gall! An engaging video lesson presents parasitism at its finest. Certain species of wasps trick oak trees into creating and maintaining homes for their larva. These homes have the appropriate name...

Everyone knows that termites are bad news for the wooden parts of a home. How do they do it, and how can we stop them? Go inside a termite (literally) to discover the scores of bacteria and protists that help make wood taste good. The...

What can fighting fruit flies tell us about our own brains? Junior geneticists explore the common genes of fruit flies and humans and learn how scientists are using the tiny insects to help study depression, anger, and Alzheimer's...

What happens when you plant large numbers of non-native trees in an area? Well, sometimes it attracts the wrong kind of attention! Meet the South American palm weevil, an insect that spends its entire life cycle destroying palm...

They're tiny, they're stinky, and they're probably coming soon to your neighborhood.

Mechanical engineer David Hu filmed water striders gliding on food coloring and built his own robostrider.