1. 1.Alex, 11, asks: are blue whales blue?

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  2. 2.Hamish, 7, asks: how do parrots talk like humans?

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  3. 3.Alex, 8, asks: how can you feel wind currents but not see them?

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  4. 4.Sam, 7, asks: what is the most common animal?

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  5. 5.Robin, 10, asks: when does your brain fully develop?

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Molly Oldfield hosts Everything Under the Sun, a podcast answering children’s questions. Do check out her books, Everything Under the Sun and Everything Under the Sun: Quiz Book, as well as her new title, Everything Under the Sun: All Around the World.