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.

Riley is introduced as the new student in her class and recalls her life in Minnesota.

Before regenerating, the Doctor's memories of his companions come to life, giving him a chance to say good bye to them one last time.

The body goes through five different stages of sleep- the stages constantly repeat throughout the night. This video explains what happens during each stage.

Scientists are trying to understand how the brain forms and processes emotions. They are conducting research on the brain patterns of positive and negative emotions to understand the brain a little bit better.