The CEO of a biomedical startup who sparked controversy when he injected himself with an untested herpes treatment in front of a live audience in February has died, according to an email sent to Live Science. Aaron Traywick, the CEO of Ascendance Biomedical, was found dead at 11:30 a.m. ET on Sunday (April 29) in a spa room in Washington, D.C., according to a statement provided to Live Science by the Metropolitan Police Department (MPD) of the District of Columbia. Traywick was 28 years old. According to the website News2Share.com, Traywick was found in a flotation tank. Flotation tanks are...