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- 89 Are there too few Supernova Remnants to support the Milky Way being billions of years old?
- 87 Given that ice is less dense than water, why doesn't it sit completely atop water (rather than slightly submerged)?
- 67 Why is nuclear waste more dangerous than the original nuclear fuel?
- 57 Are recent claims from India of a car fueled by water and calcium carbide legitimate?
- 51 Did Republicans select a nazi, neo-Confederate, pedophile, and pimp as general election candidates?
- 50 Why tantalum for the Hayabusa bullets?
- 41 Do colour-blind people see through certain kinds of camouflage?
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