Here’s episode 107 (“Swallowing, and storage”) of the Improbable Research TV series.
To see it, click on the image at right, and you will be whisked to YouTube (where you can subscribe, if you like, to the Improbable Research channel). Improbable TV can also be seen on MySpace and elsewhere.
These are three-minute videos about research that makes people laugh, then makes them think.
For links about each episode’s content, and an FAQ, see the Improbable TV page.