1.Martha, 8, asks: how are snails and slugs different?

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2.Ruaridh, 8, asks: if all rivers lead to the ocean, why are rivers freshwater and oceans saltwater?

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3.Aariya, 7, asks: why do Komodo dragons have a poisonous bite?

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4.Aurora, 7, asks: what do whales eat?

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5.Muna, 13, asks: when people inhale helium, why does their voice sound high-pitched and funny?

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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.