This week鈥檚 new questions
How do photons 鈥渒now鈥� to travel at the speed of light? And what is the evolutionary reason behind superstitious behaviour?
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Space
How to spot the Milky Way in the night sky
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The unexpected ability that correlates with intelligence
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Tom Gauld: ‘How are you getting on with de-liquefication?’
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Twisteddoodles on if babies wrote scientific articles
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Life
Amazing surfing sharks image shows how currents help them save energy
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Does the expansion of the universe apply to atoms and objects like me?
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Could polar bears be established in the Antarctic to save the species?
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Why hasn鈥檛 time been decimalised (part 2)
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This week鈥檚 new questions
Is the sky less cloudy early in the morning? And if the speed of light changed, how would it affect our lives?
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How to make the world鈥檚 best barbecue this summer
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The missing link: rise of the PR agent with a smattering of hypertext
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Life
New Scientist Photography awards: Five pictures to inspire your entry
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Humans
Magical image of 鈥榯ree island鈥� shortlisted for major photo prize
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