Imperial College London

Professor Robert Winston on the beauty of intestinal tracts

I've spent a lifetime looking down a microscope and there are things that still make me gasp Watching cells pass through a tiny vessel, or dividing and proliferating, or white cells engulfing other cells or bits of dirt: there's something totally fascinating about that kind of movement.

Heart disease deaths halve –but only if you live in the South

In one of the most dramatic improvements in the nation's health, deaths from heart disease have halved since the 1980s – but the gains have not been shared equally and the "health gap" between the wealthiest and poorest communities has widened among older people, researchers say.