This clip provides a brief overview of the history of alcohol. It mentions some of the civilizations that first produced it. It also explains the chemistry behind alcohol's mind-altering effects and ways in which alcohol has influenced human culture.

This clip explains the purpose of the digestive system and how it works. It covers the main components of the system and illustrates the process of digestion using examples and visuals.

Beakman gives a demo of the digestive system and shows how it all works normally. Then he shows that, when your brain tells it to function in reverse, it will cause you to throw up.

In Fear the Boom and Bust, John Maynard Keynes and F. A. Hayek, come back to life to attend an economics conference on the economic crisis.

It is really important to choose wisely about what you put into your body. The food that you eat directly correlates to the health of your body, as the digestive system transforms it into energy.