Animal Babies

This interactive slide show illustrates the variety of animal babies that exist on earth -- some completely independent and others deeply reliant on parental care.

Animal Coverings

It takes a thick skin to withstand the hardships that life has to offer. This collection of images shows a variety of animals, each with a slightly different type of protective covering.

Bird Beak Gallery

This collection of images of 10 different birds illustrates the diversity of bird beaks.

Accessibility features: Long Description

Genetic Drift and the Founder Effect

This image of polydactyly illustrates one symptom of Ellis-van Creveld syndrome, which is commonly found in the Amish. Ellis-van Creveld is one example of the founder effect and genetic drift.

Growing Up, Growing Old

This collection of six images captures the magnificence of human development -- the transformation from baby to woman.

Sickle vs. Normal Cell

Background image of normal disc-shaped red blood cells from the University of Utah. Inset shows sickled red blood cells, curved and rigid, from the Virginia Medical College.