Life
Meet Kuimba, the French-born gorilla released into Gabon’s rainforest
Kuimba, a western lowland gorilla, adapts to her island home in Gabon after she was flown from a French zoo in a new project to save the endangered subspecies
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Technology
How to build your own intruder alarm with basic electronics
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How many Boris Johnsons does a Saturn V rocket weigh?
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Schr枚dinger’s scissors: Why can’t we see things right in front of us?
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Future fossils: Will new coal and oil reserves form once we’re gone?
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This week鈥檚 new questions
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Technology
The hardest thing about robots? Teaching them to cope with us
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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?
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more
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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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