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- 177 What would an immortal-run American bank have to do to secretly maintain bank accounts for immortal customers?
- 157 Are 30% of human embryos "spontaneously aborted"?
- 119 If a large space ship crashes on a planet, what could kill passengers without obliterating the ship?
- 118 Did 528 Hz sound broadcasts help clean polluted water in the Gulf of Mexico?
- 65 How would one design an undetectable nuke to hit the Moon with?
- 63 Is it possible to make a "safe" electromagnetic "jet engine" using extremely long wavelengths?
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