This list is only the start. Please add facts that you think others should know.
- Birds are dinosaurs
- Pterosaurs are not dinosaurs
- Octopus doesn’t have tentacles
- People did live to their 70s, 80s, 90s in the distant archaeological past; just not as many as today
- Turning a lightbulb on means something somewhere is spinning a little slower
- You are constantly bombarded with radio waves from distant galaxies
- All data returned by solar system spacecraft belongs to the public and most of it is available for free via the Internet
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