Sports isn't just about physical preparation. Mental preparation is important too! A sports psychology helps athletes perform in their bets mental state.

The London Aquatic Center is one of the most technologically advanced pools. Pools can generate a lot of waves when lots of swimmers are in them making it more difficult for the athletes to go fast.

Missy Franklin is an Olympic swimmer. Her height and long limbs allow her to maximize thrust and overcome drag, two important elements in moving fast through water.

Neuroscience can help an athlete perform better at the Olympics, instead of relying solely on phsycial conditioning. It can active muscle memory, so the athletes' body can go into auto pilot and perform its best.

Engineers look at Sarah Robles arm as she weightlifts to design robotic arms that can mimic human hands and arms.