Why it takes you and an elephant the same amount of time to poop

Why was School of Biological Sciences associate professor David Hu drawn towards mammal poop as the topic of a new study? His experience as a working dad, he recently posted on the Conversation blog, "turned me from a poo-analysis novice to a wizened connoisseur." The people running the PBS Newshour website had a chance to digest the post and decided to share it in full on their Rundown blog. Hu is also a adjunct associate professor in the School of Physics and an associate professor in the George W. Woodruff School of Mechanical Engineering. Patricia Yang, a Ph.D. student in the Woodruff School of Mechanical Engineering, co-authored the study, which appeared in Soft Matter.