Do shadows weigh anything?
Shadows weigh nothing, say our readers - but they can alter the weight of objects they are cast over
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Why does honey stop dripping when there is still some on the spoon?
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Why do I need to be able to pronounce a word to recall it? (Part 2)
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This week’s new questions
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Would you trust a robot with eyes?
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Tom Gauld on the company’s position that climate change isn’t real
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Twisteddoodles: The scientist who made that thing I don’t understand
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Comment
See the tricky logistics behind displaying the shuttle Endeavour
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It can be hard to predict what will attract or scare a sheep
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Mind
The life hack that can help you reclaim your time
Taking on too many commitments can leave us exhausted and full of regret. David Robson shares an easy trick to make more space in your schedule
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Why do almost all vertebrates have tails, but not apes and frogs?
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Why do humans pat animals on the head?
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How and when did the North American accent develop? (part 3)
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Is there a correct way to fill a dishwasher? (part 3)
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