Sometimes, leaps in medical science require an agreeable security guard, and on this day in 2008, he wasn’t playing. The guard, then his supervisors, said no. Being larger than 100 milliliters, the bottle was categorically dangerous material. If Birchall insisted on boarding the plane, he would be arrested. Birchall had no Plan B. What was he to do? This is a true story.

(Med Student Rescues Body Part From Airport Security : Krulwich Wonders… : NPR)