Surely the oldest body part belongs to Gertrude Baines, the world’s oldest person?
If you thought that, you’d be wrong. Norwegian Bernt Aune has a cornea that’s been around for 123 years, though it hasn’t always belonged to him. It was transplanted to him in 1958 from a man who was born in 1885.
The Mars Rovers, Spirit and Opportunity, landed on Mars five years ago today. They were only supposed to last for three months, but both are still working right now.
NASA have made a celebration video.