Site 1: http://www.esa.int/Our_Activities/Space_Science/ESA_s_new_vision_to_study_the_invisible_Universe
Site 2: https://www.newscientist.com/article/mg25333783-100-how-a-new-kind-of-gravitational-wave-will-reveal-the-early-universe/
Site 3: http://www.jstor.org/stable/41575683
Case Study Example: 1997, 1998, 2005 / Also, NIL issues in college sports
Site 1: http://link.galegroup.com/apps/doc/A94983938/SUIC?u=mill17935&xid=9e6de9bf
Site 2: http://www.jstor.org/stable/30050459
Site 3: https://kids.britannica.com/students/article/United-States-presidential-elections/630966
Database: NIL College Sports
Site 1: https://theamericansdaily.com/what-city-in-north-carolina-has-the-most-murders/
Site 2: http://saveourstreamspa.org/
Site 3: https://grammar.yourdictionary.com/capitalization/rules-for-capitalization-in-titles.html
Site 1: https://academic.oup.com/jid/article/220/Supplement_2/S62/5552356
Site 2: https://smartasset.com/retirement/should-student-athletes-be-paid
Site 3: https://www.bartleby.com/essay/Title-IX-P3X3S5ZVJ
Site 1: http://www.foodandwaterwatch.org/problems/fracking
Site 2: https://www.bayer.com/en/ca/canada-genetically-modified-organisms