How does the eye work exactly? In the latest video from Decoder, learn some of the extraordinary science behind how your eyes and brain work together to perceive the world around you.

The Jurassic Park crew are trapped in cars in the rain as they try to evade a T-Rex. They keep still to remain undetected, but the kids in the car turn on a light and attract its attention. When they shine the light on the T-Rex's eye, its pupil constricts.

Beakman explains that shoes stink because of the bacteria on your feet. He uses a microscope to quickly show that there are bacteria everywhere and then a short animated clip to show how your feet produce oil and sweat that the bacteria eat. This creates smelly biproducts to make your feet stink. He then does a DIY bacteria growth experiment where he grows bacteria from his sweaty feet in a jar of gelatin.

Beakman explains what pimples are by using an animated clip. He explains normal function of your pores and then how this can get turned into a pimple and what pus is. Then they explain how to prevent pimples.

Miley Stewart memorizes the names of the bones in the human body by putting them into a song. She spreads the song to her peers to the approval of her teacher.