It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
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
In 1956, the IBM 350 hard disk drive had 3.75 MB of storage, weighed over 2000 lbs, had to be moved around with forklifts, and was delivered via large cargo airplanes.
11
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
France’s King Louis XIV was offered biological weapons by an Italian chemist. He not only refused, but also paid the chemist an annual salary to never reveal the technology to anyone else.
21