Space
A stargazer’s guide to the equinox and how Earth moves around the sun
As the September equinox falls, we begin a new astronomy series with all you need to know about how Earth's orbit affects what we see in the night sky
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Loch Ness Monster unmasked: it鈥檚 a load of eels in a giant eel costume
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Why does a lightning strike sizzle and power light bulbs?
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This week鈥檚 new questions
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Why do biscuits go soft and cakes go hard?
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Physics
xkcd comic creator Randall Munroe on the thrill of physics
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Health
How aspirin became a wonder drug against heart disease and cancer
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Life
Fierce battle looks likely as land-dwelling mudskipper fish face off
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Health
Hans Christian Gram: The biologist who helped investigate bacteria
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Technology
Make a remote-control pest-proof bird feeder 鈥� part 2
When you add a BBC micro:bit to your bird feeder, you can program it to open when the birds come and shut up shop when pests try to take their food
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Does a large meal make you tired, and if so, why?
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Does nuking hurricanes mean Trump is declaring war on climate change?
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Humans
Dean Burnett on why disruptive teens might have saved the human race
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Environment
Can we create new land to save the fragile Mississippi delta?
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