Do you have a puzzling science question that you have always wanted to know the answer to? In his new book Ask a Scientist, Professor Robert Winston answers over 100 curious questions from children around the world, such as ‘How do dogs cry?’, ‘Why do the stars twinkle?’ and ‘Why don’t jellyfish get their tentacles in a tangle?’ Join Robert as he explains the science behind some of the most bizarre and intriguing questions he’s ever been asked – you can even send in your own question for Robert to answer on the day!

Click here to submit your question.