How do we work out exactly how old an object is? Adam Walton plays the dating game and discovers how scientists age bones, rocks and stars.
Discover 11,128,835 listings and 277,304 playable programmes from the BBC
How do we work out exactly how old an object is? Adam Walton plays the dating game and discovers how scientists age bones, rocks and stars.
Comprehensive News and Sport, the latest information and the best entertainment for Wales.
