TED-Ed
When Will the Next Mass Extinction Occur?
Normal background extinctions and mass extinction events are examined in this short video that suggests that environmental change, naturally occurring and change caused by humans, is the key factor in such events.
PBS
FAQs From Our First Year
After a year of PBS Eons videos, viewers raised some excellent points and questions. The hosts highlight the most common including classification of animals, when a new eon starts, how to pronounce scientific terms, and many other...