(Source: National Institute of Environmental Health Sciences)
For the majority of people, licking their own elbow is impossible
Pigs cannot look up into the sky because it is physically impossible for them to do so
Over the course of an average lifetime, you can eat up to 10 spiders and 70 different types of insects while you sleep
Cat urine glows under black light
Just one hour of headphone use could result in a 700-fold increase in ear bacteria
Everyone’s tongue print is unique, just like fingerprints
Sneezing too hard can fracture a rib
A shrimp’s heart is in its head