Why does my water freeze in this pattern like dandelion fluff?
Our readers solve the mystery of the strange patterns of ice that formed in a water bottle
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Humans have 鈥済ood bacteria鈥�, but what about 鈥済ood viruses鈥�? (Part 2)
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This week鈥檚 new questions
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Is there a way to show which identical twin is the father of a child?
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Are crops more nutritious when grown outside in direct sunlight?
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If 鈥渢he house always wins鈥� how do professional gamblers cash in? Part2
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This week鈥檚 new questions
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Why is this snail carrying an extra shell on its back?
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Could any photons that were around me in my childhood still exist?
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Why are many people squeamish about the sight of blood? (part 2)
Two readers reflect on their experience as medics to explain why we find the sight of blood so shocking when, for much of history, we had to butcher animals to survive
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Does a latte cool faster than a cappuccino? (part 2)
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This week鈥檚 new questions
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How much of my body from 40 years ago remains part of me today?
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Do spiders survive if thrown from a height out of a window?
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