How fast would you have to travel to be able to run on water? (part 2)
One reader suggests another way you can run on water – but you need a boat
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This week’s new questions
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If the house always wins, how do professional gamblers make a living?
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Is it theoretically possible for our memory to become full?
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This week’s new questions
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Why are many people squeamish about the sight of blood?
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What crops did Europeans bring to the Americas?
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Why do humans have pubic hair? (Part 3)
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This week’s new questions
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What are these soft white balls (pictured) found under a drain cover?
Our readers solve the mystery of the white blobs found in a drain in Wales
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Without moonlight, would life on Earth be any different?
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Why do little children run everywhere instead of walking? (part 3)
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This week’s new questions
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What has been the most successful animal ever?
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