Are slow spinning “space ports” to create artificial gravity feasible?
This sci-fi concept could one day be a reality, say our readers, however the measurements would need to be exact to avoid disorienting the astronauts onboard
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Does a petrol lawnmower emit more carbon than the grass captures?
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This week鈥檚 new questions
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Is it better to keep a fart or burp in, or let it out?
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Is short-sightedness found in other animals?
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This week鈥檚 new questions
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What difference would it make to temperatures if all roofs were white?
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How does the experience of reading a book differ from listening to it?
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This week鈥檚 new questions
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Why has crying helped me mourn the loss of my dog, Milou, to old age?
Two experts weigh in on the many ways crying can help us grieve, whether we are alone or with others
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Why can squirrels run straight down trees? And could my cat do it too?
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This week鈥檚 new questions
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Why do humans like flowers, and do other non-pollinators, too?
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Why are at least four faces required to make a flat 3D solid?
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