Across time and space
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Does the multiverse at the centre of Marvel mythology actually exist?
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Watch: If you thought yourself important, this video comparing star sizes will remind you you're not
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How India is set to boost the search for gravitational waves
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Gravitational wave discovery: India may play big role in future experiments
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The unlikely link between WWII code-breaker Alan Turing and software magnate Nandan Nilekani