Olly Bootle

How to Build a Dinosaur

Dinosaurs died out 65 million years ago and we have hardly ever found a complete skeleton. So how do we turn a pile of broken bones into a dinosaur exhibit? Dr Alice Roberts finds out how the experts put skeletons back together, with muscles, accurate postures, and even - in some cases - the correct skin color. Here's a conundrum. Most dinosaur skeletons are incomplete, so how do you create museum exhibits that are realistic? As Dr Alice Roberts discovers, it's a practical question for those putting together an exhibition at LA County's Natural History Museum, who have to design dynamic, punter-pleasing displays that also reflect the latest thinking in paleontology circles.

40 Years on the Moon

From the BBC's space fanatic James Burke testing out the latest Nasa equipment to 1960s interviews about the bacon-flavoured crystals that astronauts can survive on in space, to the iconic images of man's first steps on the moon and the dramatic story of Apollo 13, Horizon and the BBC have covered it all.