Technology
The hardest thing about robots? Teaching them to cope with us
Humans are spectacularly weird and unpredictable. Computer scientist Anca Dragan is working on helpful robots that understand how we get things wrong
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Liana Finck cartoon
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Technology
How to build a motion-detector wildlife camera with an old smartphone
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Should we be scared of meth gators and mutant crocodiles?
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Special effects: What creates stripes and colours in the sky?
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A key question: The secrets and security of a rotor-style lock
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This week鈥檚 new questions
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Physics
Physicist Jim Al-Khalili on Leeds United, Einstein and quantum biology
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Technology
Awkward truths about Boris Johnson’s praise for UK science and tech
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Environment
Huge Arctic fires have now emitted a record-breaking amount of CO2
Wildfires still burning in the Arctic have continued for so long they have now released more carbon dioxide than any other year since records began
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Liana Finck cartoon
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Space
What happened when the Shoemaker-Levy 9 comet smashed into Jupiter
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Technology
Electronics projects for beginners: Make an automatic plant waterer
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Vladimir Putin is worried that wind turbines are disturbing worms
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