Robert Eagle

David Hahn in the mid-nineties was a teenage boy scout working towards his merit badges. One badge in particular, the Atomic Energy Merit Badge, caught his imagination when it required him to make a model of a nuclear reactor out of cotton buds etc. David went further and sought out household sources of the materials he would need to make his reactor. Here he talks us through what he did and the surprising results he got.

Investigation into the controversial history of three extraordinary biblical artifacts discovered in the Holy Land. Are they genuine or fake?

Conjoined twins are among the rarest of human beings. There are probably fewer than a dozen adult pairs living in the world today. Only a few hundred pairs of conjoined twins are born in the whole world each year - they appear about once in every 100,000 births - but more than half of them are stillborn, and one in three live for only a few days.

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Supernatural Science is a BBC Television documentary series that explores supernatural phenomena to determine whether or not there is a scientific explanation.