Interesting Things with JC #425: "Alhazen & the Book of Optics - 1011AD." Spending a decade in prison from 1011 to 1021, the greatest physicist of the medieval era published a seven-volume dissertation on optics, physics, mathematics, anatomy, and psychology called the Book of Optics.

Interesting Things with JC #245: “42 Round Boxing Match” - April 17, 1860 — The first “world championship” boxing match took place on this day – not in a grand stadium like New York’s Madison Square Garden that was to host later famous battles, but in an open field…in southern England!

Interesting Things with JC #236: "Locked-in Syndrome and the Miracle Microchip”. Locked-in Syndrome is a rare neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement. Emerging technology provides a brain-computer interface to help people who are locked-in communicate freely again.

Camels have three eyelids. Two of the eyelids have eye lashes which help protect their eyes from sand. The third is a very thin lid which works as a sort of "windshield wiper" to clean off their eyes. It closes/ opens from side to side rather than up and down.

Hazel is one of the rarest eye colors, Only 5% of people have Hazel Eyes. They're more frequent in people from Brazil, Europe, North Africa and Spain. People with blue eyes make up 8-10% of the world's population, while brown eyes account for 79%. Hazel is actually not a true color by itself!