- Blue flames are the hottest, reaching temps up to 3,000 degrees Celsius.
- A cats urine glows under a blacklight.
- Tokyo was once known as Edo.
- There are over 225,000 trees in New York's Central Park.
- Don't like mosquitoes? Get a bat. They could eat 3,000 insects a night.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- Aichmophobia is the fear of needles and pointed objects.
- Most spiders have transparent blood.
- Your brain uses 25% of all the oxygen your breathe.
- Snails can sleep for up to three years.
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