She wrinkled her nose. ‘Are you sure the code is inside you?’ she said. ‘It doesn’t sound very likely.’ ‘I think Dylan’s right.’ Ed paced across the room. ‘It fits with everything we know about William Fox. He was very secretive about his work. He left all his notes with his brother – I thought it was strange that he’d made a copy . . .’ ‘But implanting scientific data in a baby?’ Ketty said. ‘That’s really weird.’ ‘Not to my dad,’ I said. ‘He was a doctor, remember? He’d already implanted us with the Medusa gene.’ ‘How would he have stored the information?’ Ketty said. I shrugged. ‘Some kind of microchip under the skin, maybe? They do that with pets.’ ‘And when they tag criminals, I think,’ Ed said. ‘How do we work out where in your body it is?’ Ketty said. ‘There must be a scar,’ I said, examining my arms. ‘Yeah, but it would be really tiny now,’ Ed said.
