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25 shocking unusual experiments few know about

Human Experiments Too Disturbing to Ignore: <a href=" ► 25 Chilling Unexplained Diseases That Will Keep You Up At Night: <a ...
Live Science

50 mind-blowing science facts about our incredible world

19. The largest known prime number contains 41,024,320 digits. 20. Frogs breathe and drink through their skin. 21. A bullet ...