The Royal Quiz

Titanium dioxide is a substance that can be found in paint, sunscreen and laundry detergent. It is used to make whites appear even whiter. It can also be found in a variety of foodstuffs like ranch dressing, coffee creamer and icing! Yikes!

Hundreds of years ago, Robert Hooke published a book called Micrographia that included hand-drawn images of samples observed under a microscope! Hooke, who we mentioned in a previous fact, is often credited as the discoverer of cells, after studying cork under the microscope.

Heterochromia is the fascinating condition when someone’s eyes are both a different color. It can indicate eye illness but can also be a totally normal eye color. It's not particularly common in humans, though Siberian Huskies, Turkish Angora cats, and several horse breeds are just a few animal types with frequent heterochromia.