Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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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
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
London's Pall Mall became the first street lit by gaslight in 1807!
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In the great fire of London, in 1666, half of London was burnt down but only 6 people were injured.
78
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
Al Capone's armored limousine, after being seized by the feds, was later used to protect Franklin Delano Roosevelt (FDR), 32nd President of the US, after the attack on Pearl Harbor.
20