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I'm pretty amazed that I've never seen or heard anything about this thing that dolphins are doing with air bubbles underwater. It reminds me of blowing smoke rings with thick cigar plumes, only much cooler, more interactive, and apparently the female dolphins tend to do this trick more than the male dolphins. You have to watch it for yourself, I'm certain you'll be amazed!
Human nature is to win and survive. We are here today because we swam further faster than all the rest of the sperm and we had what it took to get inside that egg. Failure is a skill (just like depression) that we've learned since we were born.