2015 Event Hackers steal personal data on up to 80 million customers of health insurance provider Anthem, Inc.; though free credit monitoring is being offered to victims, such monitoring won't detect or prevent medical identity theft 1982 Event Mount Palomar Observatory 1st to detect Halley's comet on 13th return 1965 Event A Penzias and R Wilson detect 3 degrees K primordial background radiation 1965 Event Pegasus 1 launched to detect micro-meteors 1951 Event E Purcell and EM Ewen detect 21-cm radiation at Harvard physics lab
