Five waterways near Brisbane that were once home to platypuses may no longer have platypuses living there, say Australian researchers.
New research showing feral cats are a "triple threat" compared to native predators.
Extreme drought areas are expected to double by the end of the century.
Gadget/s of the week - the Consumer Electronics Expo is underway - virtually, of course. The weird stuff out of there is amazing.
Newly discovered bacteria can breakdown greenhouse gases and toxic pollutants.
