cryogenics is about cold stuff, cryonics is to do with freezing people
(after watching John Oliver) octopede is greek plural, octopi is latin, these don't follow the rule of added english pluralisation so octpuses
wd40 is named after the 40th attempt at the solution
the plastic at end of shoelace is an aglet
gattaca uses the letters from dna strands, (guinine, anime, tren and canine, look it up yourself, i can't remember them)
you can fold paper more than 8 times, a kid created a formula and did it (was a long stretch of paper rather than standard a4)
Bike is short for Bichael