Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
22
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Self-made millionaire Harris Rosen adopted a Florida neighborhood called Tangelo Park, cut the crime rate in half, and increased the high school graduation rate from 25% to 100% by giving everyone free daycare and all high school graduates scholarships.
20
Billions of neutrinos pass unnoticed through your body every second.
6