Why do people's voices sound different? With Professor Guri Sandhu. How do echoes work? How did the Grand Canyon open up?

Welcome back to Everything under the Sun everyone! We've missed you! We've been taking a little break but now we are BACK and ready for another fantastic episode.    This week we're learning all about SOUNDS! And we've got some very interesting questions indeed, from Sam, Florrie and Bruno.   Why do people's voices sound different? Professor Guri Sandhu answers this one, as he is a doctor who takes care of the human voice.   How do echoes work? Have you ever shouted into a big empty space, and then heard your voice coming back towards you? We learn all about the mysterious way that we hear echoes.   How did the Grand Canyon open up? The Grand Canyon is famous for its powerful echoes, and its breathtaking views. We learn about how the canyon came to be!   Don't forget to buy your copy of the PAPERBACK edition of Everything Under The Sun - a year of curious questions - out now!   Amazon: https://www.amazon.co.uk/Everything-Under-Sun-curious-question/dp/0241433460   Target Australia: https://www.target.com.au/p/everything-under-the-sun-molly-oldfield/65704592   And order it in any beautiful bookshop! Thank you! Hope you love it.   Instagram: @mollyoldfieldwrites Pod Instagram: @everythingunderthesunpod   Do check out our website www.mollyoldfield.com for more info about how to send in questions.   Have a lovely listen and a great week!        See omnystudio.com/listener for privacy information.

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Children are full of curiosity and questions about the world. Each Friday, join Molly Oldfield, write of the weekly kids quiz in the Guardian each Saturday, the original QI elf and author and host of Everything Under The Sun (both the book and podcast) as she answers questions sent in by children around the world with the help of experts including Neil Gaiman, Heston Blumenthal, Grayson Perry, Lauren Child, Richard Branson and Sophie Dahl to the fish curators at the Natural History Museum. If you're a kid - big or small - with questions you want answered or if you want to learn interesting facts about life on earth, this is the award winning podcast for you. Do check out Everything Under The Sun - a curious question for every day of the year, published by Ladybird books now!