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Two mind-blowing facts about chocolate you probably didn't know: the first chocolate bar was actually made in 1847 by Joseph Fry, and here's something crazy - chocolate was once used as currency by the Aztecs. Pretty wild, right?

She was just 17… flying over the Amazon rainforest… when her plane was struck by lightning — and shattered mid-air. Juliane Koepcke fell 10,000 feet, strapped to her seat, spinning through clouds… and crashed into the jungle canopy. But she survived. No shoes. Surrounded by snakes and insects… she wandered the jungle for 10 days, drinking rainwater from leaves… until she found a canoe… and a rescue team. The girl who fell from the sky… walked out alive.

If you collected all the tears humans shed in a lifetime, each person would produce about 15.4 gallons. That means the combined tears of everyone alive today could fill 48 Olympic swimming pools. Interestingly, most of these tears aren't from crying - they're from our eyes staying lubricated.

The practice of death masks involved creating a plaster cast of the deceased's face shortly after death. The family would coat the skin with oil before applying the plaster. Once dried, this cast preserved the exact likeness of their loved one for generations.

The woman was jogging through the park when she tripped on a tree root. As she fell, she spotted a snake right where her head would have hit. Her stumble actually saved her from a potentially deadly snakebite.

When you press your fingerprint on a phone scanner, tiny sensors detect the unique ridges and valleys of your finger. These patterns create an electrical map that's converted into a digital code. The phone compares this code to stored patterns to either grant or deny access.

The soldier lost his eye in the explosion, but he wrapped his head in bandages and kept fighting. When his ammunition ran out, he picked up his fallen comrade's weapon. Even surrounded by enemies, he held his position until reinforcements arrived.

Ever wonder if you could make money from casino card counting? Well, a group of MIT students actually tried this in the 1990s. They used math to track cards and made millions before casinos caught on. Now they use multiple decks and special shuffling machines to prevent this.