Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15
Sean Connery turned down the role of Gandalf in Lord of the Rings because he didn't understand the script.
33
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
Glucose (sugar) has an opposite “handed” isomer L-glucose that tastes identical and isn't metabolized as sugar, so it's safe for diabetics. Unfortunately, L-glucose costs 50% more than gold.
3
By weight, Bone is five times stronger than steel.
417
The lifespan of mammals is about 1 and a half billion heartbeats.
127
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26