- The lifespan of a taste bud is about ten days.
- All the people on Earth could fit into a 1 km cube.
- A chameleon's tongue is twice as long as its body.
- A cats urine glows under a blacklight.
- The first city to mint its own gold coins was Florence, Italy in 1252.
- Astronauts can't burp in space.
- By age 60 most people would have lost half of their taste buds.
- A crocodile can't move its tongue.
- A hummingbird's heart beats at over a 1,000 times a minute.
- March 14 is 'save a spider day'.
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