And Maybe The World," explains what he learned during Navy SEAL training that helped him never give up and quit. Following is a transcript of the video. Admiral McRaven: We used to have a saying ...

The ancestors and relatives of seals and sea lions, called pinnipeds, also took the plunge in the deep past. Paleontologists are still piecing together how otter-like creatures related to bears ...

An curved arrow pointing right. Former Navy SEAL Brandon Webb explains why he'll never go skydiving as a civilian again even though he logged numerous jumps in the military. Produced by Eames ...