Grenades were invented in China over 1,000 years ago.
50
The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72
Leonardo da Vinci was dyslexic, and he often wrote backwards.
77
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
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The native Americans planted three sisters (corn, beans, and squash) together so that they would benefit each other. The corn provides a structure for the beans to climb. The beans provide the nitrogen to the soil, and the squash spreads along the ground preventing weeds.
30