TED Talks
Ted: Ted Ed: Overpopulation the Human Explosion Explained
In a very short amount of time, the human population exploded and is still growing very fast. Will this lead to the end of our civilization? Kurzgesagt investigates. [6:40]
TED Talks
Ted: Ted Ed: The Science of Hearing
To understand how hearing works, Douglas L. Oliver follows a sound on its journey into the ear. [5:17]
TED Talks
Ted: Ted Ed: Light Waves, Visible and Invisible
Lucianne Walkowicz shows us the waves just beyond our perception: microwaves, radio waves, x-rays and more. [5:58]