There are 10,000 galaxies in a patch of sky where we see nothing. This is an impressive video trying to explain just how huge the universe actually is.

Mix in 3 differently colored drops of corn syrup and stir. When the mixture is stirred in the opposite direction, the drops will separate again.

This is the breathtaking story of Daniel Tammet. A twenty-something with extraordinary mental abilities, Daniel can do calculations to 100 decimal places in his head, and learn a language in a week. This is a pretty long vid but worth every minute!