There's quite a lot of cycling going on in the Olympics today. Get involved with our useful tips.
Gather up all the toilet roll tubes you have lying around and turn them into a handy cable tidy, just like this one.
Watch these men trying to throw with the wrong hand. Very awkward.
Watch how the brain can be tricked into thinking that a rubber hand is its own and then check out some mighty fine optical illusions. You're welcome.