TIL: honeycombs start out circular, and the surface tension of the beeswax pulls them into hexagons as it solidifies, because it is the most energetically favorable conformation. ncbi.nlm.nih.gov Submitted by craigdahlke t3_127s897 on March 31, 2023 at 5:14 PM in todayilearned 33 comments 2,959