What did you learn this week? Let us know in the comments or at firstname.lastname@example.org. This week, we learned … … how to sign the Declaration of Independence—in a founding father’s handwriting. … how to cut the perfect slice of pizza. Or, at least, a much more complex one. … giraffes did NOT evolve long necks to reach treetop greenery. … Continue reading 13 Things We Learned this Week!