New Scientist: CROCODILES could find it harder to locate food and take refuge from predators as global warming bites. So says Hamish Campbell of the University of Queensland in St Lucia, Australia. His team recorded the dives made by 10 juvenile freshwater crocodiles in Lakefield National Park, Queensland, over 15 days in both summer and winter. Campbell’s group tagged the crocs – which dive periodically to catch food, rest and avoid predators – with two recorders that clocked time …