The natural boulder known as a polissoir has a dished shiny surface that was used to polish stone axe heads.
Ed Cullinane
Man's 50-Year Mirror Selfie Tradition at Barber Comes to an End Due to Ill Health
Novak Djokovic's historic tennis racket, caught by a fan in 2011, expected to fetch £10,000-15,000
Zara, 21, becomes youngest woman; Mack, 17, youngest person to circumnavigate alone
The echium pininana is an endangered biennial plant from the Canary Islands.
Teabot is a breakthrough for the whole tea industry around the world. It is the first driverless tea picker
Jersey sees 'astronomical' rise in hornet population, with 438 queens trapped this year
Reg and Elizabeth Price restore 200-year-old Roswarne House in Cornwall to its former glory after years of neglect.
Tilly Lockey removes one of her 3D printed arms on the runway.