New Scientist --
Smart Inhaler: Clement Kleinstreuer, a mechanical engineer at North Carolina State University in Raleigh, has developed a computer-controlled inhaler that measures air flow around its nozzle to determine the best moment to release a powdered drug to achieve maximum penetration into the lungs.
Artificial guinea pig: Drug testing is an expensive business because of the huge cost of carrying out tests on animals and humans. This is why various researchers have been trying to develop “silicon guinea pigs” – microchips carved with wells and interconnecting grooves designed to mimic the structure of human organs.
