LifeAnimal tests rise in Britain despite government pledge Annual figures for research on live animals in England, Wales and Scotland show a small increase in testing in 2013 despite plans to cut the figure News
EarthHow to kill knotweed: Let slip the bugs of war Mention biocontrol and people think of the cane toad catastrophe. But a sap-sucking bug could be the only way to win the war against the world's worst weed Features