How do living things change their environment? This is the focus of a video that describes how the building of communities and clearing of forests changes the types of living organisms that can thrive there.

It's well known that people should get eight hours of sleep each night, but exactly why is that? Follow along with this short video as it investigates the crucial role sleep plays not only in peoples' physical health, but...

In vitro and sonogram pictures from four through thirty-seven weeks are shown in a slide show as music plays in the background. Baby and toddler pictures wrap up the presentation. Incredible imaging is captured and displayed in this...

This time-lapse microphotography of developing embryos shows the common ancestry of all vertebrates. Footage from NOVA: "Odyssey of Life." [4:42]

AP Psychology video [2:52] on Developmental Studies focussing on how humans develop and change over time.