π§ Albert Einstein's eyeballs are now kept in New York City! They were given to his eye doctor, Henry Abrams, who kept them safe in a safety deposit box. These eyeballs were originally taken by Thomas Harvey, the man who performed Einstein's autopsy and took his brain without permission. π± factsfun factsciencehistory
Most people have three cones in their eyes, which lets them see colors in the red, green, and blue spectrums, enabling them to recognize around 1 million shades! π But some rare individuals, known as tetrachromats, have four cones in their eyes, giving them the ability to see ultraviolet colors and perceive up to 100 million colors! πβ¨ This extraordinary gift is more common in women than men, and many tetrachromats don't even realize they have this amazing ability! π² factsfun factscience
Did you know men are more likely to experience color blindness than women? ππ΄ The reason lies in the X chromosome! Women have two X chromosomes, so even if one carries the gene for colorblindness, the other X can compensate. πββοΈ But since men only have one X chromosome, if they inherit the gene for colorblindness, theyβll experience it. π§βπ¬ factsfun factsciencefunny
Cows π, sheep π, and goats π donβt have upper front teeth π! Instead, they have a dental pad π¦· made of thick tissue, where incisors would be. They use this pad with their bottom teeth π¦· to pull up grass π± and munch away! π factfactsfun factscience