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Why Don't Whales Have Legs?
Students are given a variety of materials and are asked to design a heat loss experiment that results in a reasonable explanation of "Why don't whales have legs?" students work with the theory of natural selection.
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Got Lactase? The Co-Evolution of Genes and Culture
Does the human body evolve as quickly as human culture? With a stellar 15-minute video, explore the trait of lactose intolerance. Only about 1/3 of human adults seem to still have the enzyme lactase and therefore, the ability to digest...
8th - 12th Science
New Review Why We Age - And How We Can Stop It
As we get older, we age, our bodies and minds deteriorate, but this isn't true of all species. The video begins with why we age and what biological processes cause aging. Then it covers research on worms, mice, and other animals that...
10 mins 9th - 12th Science
New Review Tardigrades: Adorable Extremophiles
Tardigrades are microscopic organisms (0.5 mm long) with segmented bodies and four pairs of legs, each with four to eight claws. The narrator of this video explores tardigrades, organisms that can survive the most extreme environments...
4 mins 9th - 12th Science CCSS: Adaptable
Could We Actually Live on Mars?
What would be the best place to live on Mars? A fascinating look at the geographical of Mars is sure to intrigue the future astronomers in your middle or high school class. A short video introduces learners to the different...
4 mins 7th - 12th Science CCSS: Adaptable
Should We Eat Bugs?
Cricket cookies? Mealworm mac and cheese? Bugs are super nutritious! Why don't we eat them? Hear the history of entomophagy, that is, the practice of eating insects and spiders, by viewing this video. It is a fascinating exploration of...
5 mins 5th - 10th Science CCSS: Adaptable