Ants can recognise their worst enemies by smell, aggressively fighting slavemakers ants but only carrying away less threatening foes, a study shows.

Japanese researchers say they have found vast deposits of rare earth minerals, used in many hi-tech appliances, in the Pacific seabed.

Athletes should not skimp on sleep, says research from Stanford University, because it is the key to improving physical performance in training and in the heat of competition.

Universities can help form the core of a research and development hub for forensic science in the UK, a Home Office review suggests.