1. Octopuses have three hearts: Two pump blood to the gills, while the third pumps it to the rest of the body.
2. The world's oldest known recipe is for beer: It dates back over 4,000 years to ancient Sumeria.

3. Bananas are berries, but strawberries aren't: Botanically speaking, bananas qualify as berries because they develop from a single ovary, while strawberries develop from multiple ovaries.

4. The shortest war in history lasted 38 minutes: It was the Anglo-Zanzibar War of 1896, between the United Kingdom and the Sultanate of Zanzibar.

5. A day on Venus is longer than a year on Venus: Venus rotates very slowly on its axis, taking about 243 Earth days to complete one rotation, whereas it only takes about 225 Earth days to orbit the Sun.