Feedback, a Lego fan, delves into a new science-related set, and learns that the model of a DNA double helix is the wrong way around. Time for some jokes about mirror ...

that the DNA molecule exists in the form of a three-dimensional double helix. More than 50 years passed before the significance of Miescher's discovery of nucleic acids was widely appreciated by ...

Rosalind Franklin made a crucial contribution to the discovery of the double ... a helix). Using Franklin's photograph and their own data, Watson and Crick created their famous DNA model.