stackyFACTSHaving bright white eyes makes us terrifying to predators but incredibly good at communicating. The visible white sclera exists almost exclusively so we can silently track exactly what our friends and enemies are looking at from across the room.
Keep exploring facts in this topic.
Health →STACKY FOR IPHONEKeep discovering with Stacky. Interesting facts in an app that is always within reach.
When a person experiences extreme embarrassment or shame and their face flushes red, the mucosal lining of their stomach also blushes and turns noticeably…
Discover more
Smelling green apples and peppermint has been scientifically proven to significantly relieve symptoms of claustrophobia and tension headaches in most adults.…
Discover more
Being an insufferable cynic actually causes permanent structural damage to your brain architecture. Thanks to neuroplasticity, neurons that fire together…
Discover more
Female humans statistically blink about nineteen times per minute on average, whereas male humans only blink roughly eleven times per minute, according to…
Discover more
Human memories are not stored like permanent video recordings, but are actually rewritten and subtly altered by your brain every single time you recall them.…
Discover more
That weird little pink triangle in the inner corner of your eye is a tragic monument to millions of years of wasted evolution. Known as the plica semilunaris,…
Discover more