Saltwater Crocs; Japanese earthquakes; Dorothy Hodgkin

This week Manisha puts her fears to one side to give us an insight into saltwater crocodiles. Did you know that saltwater crocodiles 20 different vocalisations they can make with one another.Also, we all know that Japan is prone to natural disasters, but they also have contingency plans to deal with them.Stu celebrates the birthday and the Nobel prize winning work of occasionally controversial British scientist Dorothy Crowfoot Hodgkin