- Green tea has 50% more vitamin C than black tea.
- The hardest substance in the human body is enamel.
- Bats are the only mammals that fly.
- The fastest insect is the Australian dragon fly (its top speed is 57 km/h (35mp/h)).
- The word 'geometry' comes from the Greek words 'geo', meaning earth, and 'metria', meaning measure..
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