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Environment
Over one-sixth of all food produced ends up being thrown in the bin
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Technology
Algorithm reveals contents of fragile letters sealed for 300 years
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Technology
Google uses underwater fibre-optic cable to detect earthquakes
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Life
Male lyrebirds imitate a flock of birds to scare females into mating
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Humans
Soil safely filters 38 million tonnes of human waste each year
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Technology
Stretchy bands generate electricity from body heat to power gadgets
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