Why can鈥檛 we cool water as quickly as we can heat it?
Our readers send in their thoughts 鈥� and one reveals they hold a Guinness World Record
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Do olfactory illusions exist, similar to optical and audio illusions?
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Why don鈥檛 dogs look up when a low-flying plane passes overhead? part 4
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This week鈥檚 new questions
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Are anti-black holes possible, and how could we tell if we were looking at one?
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Why do humans have a common sense of beauty for things like sunsets and do other animals share this appreciation?
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Why don鈥檛 we sneeze when we are asleep? part 2
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What changes will occur on Earth as the moon moves further away? part 3
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Why don鈥檛 dogs look up when a low-flying plane passes overhead? part 3
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This week鈥檚 new questions
Why do people appear younger and better-looking in a mirror than in a photograph? Are humans the only animals that cry? If so, why?
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If the sun suddenly disappeared, how long would life on Earth last?
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Humans can see water, so can fish see air?
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What is the optimal way to ice a cocktail? Part 2
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This week鈥檚 new questions
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