Another wonder of technology was unveiled recently when marine archaeologists used undersea drones to locate and record the wreck of Ernest Shackleton’s ship, Endurance. Video footage shows a surprisingly well-preserved ship, its name still intact and clearly visible. Digging up historical artifacts is always fascinating, particularly when those artifacts are tied to a thrilling event like Shackleton’s shipwreck and subsequent harrowing trek across miles of frozen Antarctica. But this discovery turns up more than just artifacts. It also brings reminders of the men involved with the event—a type of man that is quickly becoming extinct in our modern culture. Following the discovery of the ship, I saw the clipping below, posted on social media. I was familiar with the little want ad that Shackleton had run when looking for comrades to accompany him on his expedition, but I looked at it more closely this time, pondering what a foreign concept each of …