Out of the blue
The sky is blue because the atmosphere scatters the shorter wavelength (blue) end of the...
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Foul-mouthed response
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Flat about Fizz
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Win a Raspberry Pi-powered Kano computer bundle
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Win a Raspberry Pi-powered Kano computer bundle
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Environment
Fish’s toothy grin is perfect for crunching up armoured prey
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Feedback: Bottled water from icebergs? Buy now while stocks last
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Grain train
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Bolted on
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Hay fever fever
With the Australian spring comes seasonal allergic rhinitis, or hay fever. But why do humans...
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Physics
How to dust a telescope’s 78-square-metre mirror with CO2
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Feedback: Hackable dolls could become pint-sized spies
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Driverless dynamics
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Theoretically speaking
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