In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13
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
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
The handbook issued to US soldiers in Britain during WW2 included the line "The British don't know how to make a good cup of coffee. You don't know how to make a good cup of tea. It's an even swap."
23
The universally popular Hershey bar was used overseas during World War II as currency.
112
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81