Author: Mike Jeffries, Associate Professor, Ecology, Northumbria University, Newcastle

If you ever need reconstructive surgery you may well end up seeing medicinal leeches differently. Yulya Talerenok/Shutterstock As we tidy away the Dracula capes and glow-in-the-dark plastic fangs for another winter, one notorious blood sucker has had a particularly good year. For the first time the medicinal leech Hirudo medicinalis has been bred in captivity […]