US to replace animals with robots in toxic chemical tests / Guardian, 15 February 2008
http://www.guardian.co.uk/uk/2008/feb/15/animalwelfare
US regulators have announced plans to reduce the number of animals used to test the safety of everyday chemicals. Instead of using animals such as rats and mice, scientists will screen suspected toxic chemicals in everything from pesticides to household cleaners using cell cultures and computer models.