Instructional Video10:59
SciShow

What is Taxonomy and Why is it So Complicated?

12th - Higher Ed
The classification of animal groups is essential to the the development of modern biology—but it's extremely complicated. Trying to shoehorn the messy, complicated web of interrelationships that is biology into neat boxes has resulted in...
Instructional Video11:11
SciShow

The Tree of Life Is Messed Up

12th - Higher Ed
Taxonomy is a powerful tool, and one that modern biology wouldn't be able to function without. But trying to shoehorn the messy, complicated web of interrelationships that is biology into neat boxes has resulted in a pretty messy tree of...
Instructional Video
Science Friday Initiative

Science Friday: High Schoolers Give Hot Dog a Dna Test

9th - 10th
Two high school students talk about their experiment using DNA barcoding to identify the ingredients in over 200 animal products, including many popular foods. They found some cases of misrepresentation. Aired Jan. 22, 2010. [3:33]