Ask Yan
Ask Yan
Many thanks to the thousands of people who sent in their stimulating science questions.
Dr Yan Wong and a team of experts from The Open University and the Beacons for Public Engagement have now answered over 80 of these, including 10 as videos.
Explore the answers below and send in your own text, video or picture contributions.
Dr Yan's latest video answer
Question: Why does cream whip?
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Dr Yan gets a tasty treat out of his video answer to Ben from London's question. Give it a look and see what's happening when you whip cream.
Let us know what do you think. Can you answer better?
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