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Scientists discover secret 'third eye' hidden in your skull and the usual reason why its there

Scientists discover secret 'third eye' hidden in your skull and the usual reason why its there ...
Science Focus on MSN

There's a hidden 'third eye' buried in your skull – and scientists think they've finally worked out why

Far from a spiritual metaphor, a new theory is shedding light on the bizarre evolutionary quirks that gave us a hidden third ...