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.

The largest pig on record was a Poland-China hog named Big Bill, who weighed 2,552 lbs.

The planet Saturn's density is lower than water; in fact, it would float if placed in water.

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