Bbc Inside Science

Scientists have shown how an electronic gadget, implanted in the brain, can detect, treat and even prevent epileptic seizures. Epilepsy is usually treated using anti-epilepsy drugs, but can cause serious side-effects. Researchers at the University of Cambridge, are aiming to create something more specific to the part of the brain with the problem. Professor Malliaras tells Marnie Chesterton about the unique properties of this new implant, which could be used for a range of brain-related conditions from Parkinson’s tremors to brain tumours. Many of Britain’s cleaner urban rivers are home to levels of biodiversity not seen for decades. But rural rivers, even in places without pollution, tell a different story. Up in the hills of central Wales, just north of the Brecon Beacons, lies the Llyn Brianne observatory and its surrounding system of beautiful streams. Professor Steve Ormerod from Cardiff University has been taking stock of the dwindling number of specialist invertebrates and the subtle ways the declin