Replaceable You - Mary Roachová

Our bodies regenerate at a remarkable rate – our skin replaces itself every month, our blood every four. You can remove ninety per cent of a liver and it’ll still grow back to its original size (please do not try this at home).Others – the brain, the heart, the eyes – are more complicated. These stay with us for life. So what do we do when they break down? For centuries, medicine has searched for answers – sculpting noses from brass, borrowing skin from frogs and hearts from pigs and crafting eye... Zobrazit více