Technology
Electronics projects for beginners: How to make a roaming robot
Using a BBC micro:bit, motors and some sensors, here's how to make an autonomous robot that can roam around and avoid objects in its path
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Environment
Rare footage of a beaver gnawing through a tree in North Yorkshire
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Liana Finck cartoon
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Life
This South American potoo bird can camouflage itself as a branch
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Technology
How to use a BBC micro:bit to make a sound-activated mirror ball
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Feedback: Can the US resist the might of the metric system?
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Why don鈥檛 birds eyeballs freeze in the extreme cold?
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What is dust, and is it harmful to human health?
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This week鈥檚 new questions
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Humans
Ruth Mace on human evolution and surviving the apocalypse with yaks
Anthropologist Ruth Mace talks about what motivates us, and how the Tibetan plateau is the best place to be if the apocalypse comes
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Liana Finck cartoon
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Technology
How to make a theremin with a light sensor
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What鈥檚 the best swimming stroke in terms of calories burned?
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Why are animals stripy and why can’t humans have patterned hair?
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