1. Your brain is 80% water.
2. Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
3. Scientists aren't sure what color dinosaurs were.
4. Research indicates that plants grow healthier when they are stroked.
5. 0.3% of solar energy from the Sahara is enough to power the whole of Europe.