Get our introductory offer at only
*$0.99/month for first 3 months
$29.90/month for the next 9 months
IN A cramped lab in rural Penn-sylvania, surrounded by technicians in obligatory white lab coats and fume hoods leaking an occasional acrid smell, Neil Pearson holds up a plastic model of a chemical compound that resembles a spidery piece of Lego.
Mr Pearson, a 54-year-old