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If you want to know if someone is telling the truth, keep an eye on the eyes.

Liars blink in different ways during and after a falsehood, researchers claim.

They blink less than normal during the lie, and then have a flurry up to eight times faster than usual afterwards.

‘It is striking what different patterns in eye blinks emerged for liars and truth tellers,’ said Dr Sharon Leal, co-author of the study at Portsmouth University.

‘Such striking differences in behaviour between liars and truth tellers are rarely seen in deception research.’

source (yes, I know, it’s the Daily Mail…)