Links for February 12, 2016 Gravitational Waves http://www.ligo.org/index.php http://www.nsf.gov/news/news_summ.jsp?cntn_id=137628 http://www.ligo.org/news/harassment-statement.php http://www.sciencemag.org/news/2016/02/gravitational-waves-einstein-s-ripples-spacetime-spotted-first-time http://www.livescience.com/53694-sound-of-merging-black-holes.html African American Contributors to NASA http://www.travelerstoday.com/articles/9135/20140316/katherine-johnson-nasa-mathematician.htm http://crgis.ndc.nasa.gov/historic/Katherine_Johnson http://www.blackpast.org/aah/johnson-katherine-g-1918 https://www.youtube.com/watch?v=r8gJqKyIGhE https://www.youtube.com/watch?v=SjxVM5S_gbA&index=2&list=PLCwE4GdJdVRLOEyW4PhypNnZIJbYLRTVd http://www.americaspace.com/?p=13505 http://www.blackpast.org/aah/jemison-dr-mae-c-1956 http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/archives/sts-47.html http://www.drmae.com/about-dr-mae-97 Meteorite http://www.livescience.com/53666-meteorite-did-not-kill-man-in-india-experts.html