- If you could fold a sheet of paper in half 42 times, it would theoretically be thick enough to reach the Moon.
- American paper money isn’t actually made from paper. U.S. bills are composed of 75% cotton and 25% linen.
- Sea otters have the densest fur of any animal, with up to one million hairs per square inch.
- Apples, pears, and plums are all members of the rose family.
- Olympus Mons on Mars is the largest volcano in the Solar System. It stands nearly three times taller than Mount Everest and covers an area about the size of France.
- Only about 8% of the world’s money exists as physical cash. The rest exists electronically as balances in bank accounts and other financial records.
- On the exoplanet WASP-76b, temperatures are high enough to vaporize iron, which may condense and fall as molten iron rain on the planet’s night side.
- Under the Articles of Confederation, both Congress and the individual states had the authority to coin money. The Constitution later reserved that power for Congress.
Facts by Sean McVeigh, factologist.
