The truth about lie detectors: They don't work and never have
22 May 2019
Polygraph machines remain in use despite being widely discredited, and there are much better alternatives for seeking the truth
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Premium
Weird physical illusion makes you think objects are impossibly light
20 May 2019
Around 90 per cent of people are fooled by this physical illusion. It tricks the mind into thinking that three objects together are lighter than one on its own
Aaaaaargh! The true nature of screaming has finally been revealed
18 May 2019
Can you tell the difference between a scream and a whistle? Most people consider rough, high-pitched noises a scream – and 70 per cent were tricked by a whistle
