Students examine antibiotic overuse and the evolution of antibiotic resistance in bacteria.
6th - 8th Science 23 Views 46 Downloads
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
How Do Germs Spread (and Why Do They Make Us Sick)?
Much the chagrin of mothers around the world, germs are everywhere; it's unavoidable. Learn how these microscopic invaders have evolved different ways of spreading from one host to another with this short instructional video.
5 mins 7th - 12th Science CCSS: Adaptable