Navel oranges got their name because the bottom of this type of orange resembles a belly button or navel.

The Romans used to clean themselves with olive oil since they did not have any soap. They would pour the oil on their bodies, and then use a strigil, which is type of blade, to scrape off any dirt along with the oil.

Most rechargeable batteries can be recharged up to 1,000 times.

AMAZING FACTS