After his recent campaign to clear up the clearly criminal practice of battery chicken farming, I'm pretty sure mad-as-a-march-hare celebrity chef Hugh Fearnley-Whittingstall will be gearing up for a brand new TV series over the latest news that farmers might soon be corralling cattle using radio-controlled bovine headsets. Researchers from the Department for Agriculture in the good ol' US of A have put their thinking caps on and designed a high-tech cow-hat that sits over the cow's ears and allows the controller to corral the individual remotely, using sounds funneled directly to the ears.