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Why do most cats hate it when you touch their belly, feet or tail?Life's Little Mysteries The surest way to get a scratch from a feline is to go for a forbidden tummy rub. But why do cats hate being touched on their bellies?
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How do summers differ between Earth's hemispheres?Life's Little Mysteries Each of Earth's hemispheres experiences summer, but how do they differ?
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Are sharks really older than trees?Life's Little Mysteries It seems like a simple question, but it needs serious taxonomic sleuthing. Are sharks or trees the oldest?
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What happened when humans encountered Gigantopithecus?Life's Little Mysteries Gigantopithecus was the largest primate that ever lived. What would have happened when human ancestors encountered it?
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Why were the Nazca Lines built?Life's Little Mysteries The Nazca Lines are sprawling geoglyphs that were constructed on Peru's ground and hillsides around 2,000 years ago. But why were they built?
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Why are there so many marsupials in Australia?Life's Little Mysteries Australia is home to hundreds of marsupials, including koalas, kangaroos and wombats. But how did these marsupials get to Australia?
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Can cuttlefish hypnotize their prey?Life's Little Mysteries Cuttlefish use rapid color-change while hunting. The question is, does it actually hypnotize their prey?
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Has there ever been a mountain taller than Everest?Life's Little Mysteries Mount Everest may be the king of the planet today, but has Earth ever thrust a larger mountain from its surface?
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How did Roman aqueducts get water to go uphill?Life's Little Mysteries Roman aqueducts used gravity to transport water. So how did they get it to go uphill?
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