Did abstract mathematics exist before the big bang?
Our readers really get their teeth into this one, with some arguing from a platonist perspective and others querying if anything existed at all before the big bang
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This week’s new questions
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Tom Gauld on an accidental lab order
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Twisteddoodles on the two types of conference speakers
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Physics
Take a look behind the scenes at the world’s largest fusion experiment
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Chemistry
How to make a perfect baked Alaska? It’s all about thermodynamics
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How did marine reptiles such as ichthyosaurs breathe?
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Could aliens work out if a human or an ape built the tomb they lie in?
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This week’s new questions
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Do academics really split hairs at work? They certainly do now!
Feedback is amazed that researchers have split a single hair from end to end. They think it will help predict who will get split ends from colouring hair and similar treatments
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Tom Gauld: “How are your experiments going?”
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Twisteddoodles on a cute new addition to the team
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Space
These stunning images made the shortlist for space photo competition
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Life
Why you shouldn’t believe claims you can grow a rose in a potato
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