south america

Bolivia is primarily known for two things: being the poorest country in South America, and having a president with a terrible haircut. However, it might soon be known for a third thing: lithium. Turns out Bolivia has the world's largest reserves of the light metal, and according to Foreign Policy, that positions Bolivia as the Saudi Arabia of our carbon-less, battery-powered future.

If your son was captain of the high school football team around 2,000 years ago, the mantle in your living room might look something like this: blue ribbon, gold medal, championship trophy, severed head from the opposing team on a string. Historians, archaeologists, scientists, and people with interesting hobbies have long known that the ancient South American culture responsible for the Nazca Lines in the highlands of Peru collected human heads as trophies.