5 jaw-dropping facts

1. Female platypus secretes milk.

2. 160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.

3. 27% of US male college students believe life is "a meaningless existential hell."

4. 56,000,000 people go to Major League baseball each year.

5. A cat has 32 muscles in each ear.