Earth is not flat Vaccines Work funny science gift for geek T-Shirt

Funny Science Joke T shirt for nerds geeks nerdy researchers science lovers geeky teachers professors STEM students middle school teachers highschool teachers fathers mothers daughters or sons graduates with a dry sense of humor. Funny science dad joke. Science gag gift with funny science puns and word play humor perfect for a sci geek joker birthday christmas anniversary teacher appreciation day week or as a graduation gift. Wear to school college university undergrad class or the laboratory science lab.