If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
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Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
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'⸮' is a punctuation mark that was first proposed in the 1580s to denote sarcasm or irony.
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Sunflowers can be used to clean up radioactive waste.
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