Historical clue formulations

• Degs. with lab courses, often — 2023-11-10
• Some STEM degs. — 2022-02-23
• Some undergrad degs. — 2017-08-04
• Some undergrad degs. — 2016-06-18
• Some four-year degs. — 2016-01-10
• Some undergrad degs. — 2015-03-14
• First degs. — 2011-02-19
• Some four-year degs. — 2010-09-11
• M.I.T. degs. — 2010-02-14
• Some four-year degs. — 2005-11-30
• Common coll. degrees — 1996-07-26
• First degs. — 1994-04-15