Comparative Chromosomes – submitted by Laura Wodlinger

This is a great resource for teaching about chromosomal abnormalities for genetics and evolution at the same time. Students investigate differences between chromosomes (like inversions and deletions) of Humans, Chimps, Gibbons, and Orangutans to determine their possible evolutionary relationships.
Laura is chair of the STAO Secondary Curriculum Committee
Thanks Laura!!!!!

Origins Of The Anus – Earth Unplugged

We all have an anus, but there was a time in our evolutionary past when our distant ancestors did not. In this video, Maddie Moate talks you through the origins and why we have what we have. Subscribe to Earth Unplugged for more amazing animal videos Continue reading

How Did Dinosaurs Get So Huge?

Part of why we’re so fascinated with extinct dinosaurs it’s just hard for us to believe that animals that huge actually existed. And yet, they existed! From the Jurassic to the Cretaceous Periods, creatures as tall as a five-story building were shaking the Earth.

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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