- Did you know the first firefighter to reach the Chernobyl power plant on April 26, 1986, the radiation was so strong it changed his eye color from brown to blue.
- Did you know humans cannot walk in a straight line without a visual point, when blindfolded, we will gradually walk in a circle?
- Did you know squids can have eyes the same size as a volleyball?
- Did you know dolphins can recognize seeing themselves in a mirror?
- Did you know 95% of animals have eyes?