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What was the loudest sound ever recorded?Determining the "loudest recorded sound" depends on how you define sound and on which measurements you choose to include.
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What if Antony and Cleopatra had defeated Octavian?How would history have unfolded if Antony and Cleopatra had defeated Octavian? Would they have ruled the Roman Empire?
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What's the difference between a newt and a salamander?Salamanders and newts are both long-tailed amphibians, but what's the difference between them?
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Do your dreams change as you age?A young child's dreams and an elderly hospice patient's dreams can be very different. What has research found about how our dreams change over time?
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Why do some cat siblings look so different?Normally, siblings resemble each other. So why does a litter of kittens often come in a variety of colors?
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Did Neanderthals have religious beliefs?Whether Neanderthals had religious beliefs is a subject of ongoing debate.
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Are free radicals really that bad for you?Free radicals are highly reactive molecules that are missing an electron. They get a bad rap, but could they actually have any benefits?
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How did metamorphosis evolve?While it might seem like an all-or-nothing process, insect metamorphosis likely emerged through gradual evolutionary changes.
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Were there female gladiators in ancient Rome?Rome is famous for its gladiators, but were any of these fighters women?
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