
There's a hidden 'third eye' buried in your skull – and scientists think they've finally worked out why — BBC Science Focus Magazine
Far from a spiritual metaphor, a new theory is shedding light on the bizarre evolutionary quirks that gave us a hidden third eye May 19, 2026 If you were to ever find yourself in close proximity to a tuatara – a strange, lizard-like creature from New Zealand – you may notice something startling on the top of its head: a functioning third eye. Much like the more prominent eyes on the side of a tuatara’s head, its third, or parietal, eye has a lens, a retina and nerve connections to the brain. The



