2015 Event Google will begin testing self-driving cars on the streets of Mountain View, California this summer; the company has tested modified versions of existing vehicles but will now test cars developed specifically for self-driving 2015 Event Aducanumab, a new drug developed by Biogen to treat Alzheimer's, is showing success in reducing toxic brain plaque and decreasing the rate of mental impairment in trials; if successful in further testing, the drug may be available by 2020 2011 Event Testing is conducted to confirm whether the E. coli outbreak came from vegetable sprouts in the Uelzen, Germany 2011 Event North Korea raises concerns regarding nuclear testing; reports show they have dug tunnels at a nuclear test site located in Punggye-ri, North Hamgyong Province 1994 Event DNA testing links O. J. Simpson to murder of Nicole Simpson and Ron Goldman 1994 Event O. J. Simpson, charged with murder, gives hair samples for testing 1991 Event Argentine soocer star Diego Maradona suspended for 15 month by Italian League for testing positive for cocaine use 1990 Event NCAA approves random drug testing for college football players 1976 Event Swine Flu vaccine, for non-epidemic, enters testing 1973 Event NCAA makes urine testing mandatory for participants 1967 Event Radio Malta stops testing 1963 Event Senate ratifies treaty with Britain and U.S.S.R. limit nuclear testing 1963 Event U.S., U.S.S.R. and Great Britain agree to discuss banning nuclear testing 1962 Event U.S. resumes above ground nuclear testing, at Christmas Island 1962 Event John F. Kennedy announces U.S. will resume above ground nuclear testing 1961 Event John F. Kennedy begins underground nuclear testing 1961 Event U.S.S.R. says it will resume nuclear testing 1960 Event U.S.S.R. agrees to stop nuclear testing 1931 Event 1st full scale wind tunnel for testing airplanes, Langley Field, Virginia