Crash Course
Tissues (Part 1)
Once a nerve cell is damaged, it cannot be reproduced. Video number two in a series of 47 introduces high schoolers to tissues, focusing on the four types: nervous, muscle, epithelial, and connective. The narrator teaches their roles in...
Howard Hughes Medical Institute
Viral Lifecycle
This lesson has gone viral ... literally! An animation video describes how a single virus cell gives rise to a multitude of progeny viruses. Learners explore how a virus infects many cells in a short amount of time.
Howard Hughes Medical Institute
Somatic Cell Nuclear Transfer Animation
One cloning technique is somatic cell nuclear transfer (SCNT). Observe the process in action through an animated video. Review the applications of the process for both therapeutic cloning and cloning of an individual.