Read more about the facts mentioned: Why do shoelaces untie themselves? This team may have the answer. (Science magazine) Watch the TED Talk video on how to tie your shoe (correctly) 3 humble duties of a junior justice on the U.S. Supreme Court (Quartz) Why women couldn't wear pants on the Senate floor until 1993 (mental_floss) Pet exposure may reduce allergy and obesity (ScieneDaily)