The Hume and Hovell Expedition of 1824 established some of the earliest knowledge that European colonists had about the interior of the Australian continent. It was also a journey filled with peril, frayed nerves, and bickering.
Research:

SYMHC Classics: Nelson Pill Hearings
38:25

Behind the Scenes Minis: Alaska and Contraceptives
28:17

The IUD: A History
44:41