Ten Great Ideas: Sex

Why is sex so popular (in nature)? Link Bill Nye explains. From bigthink.com. 4 mins
You were only one of a million million spermatoza - so why were you the lucky one? Richard Dawkins recites The Fifth Philosopher's Song
Bill Nye: The Evolutionary Benefits of Sex (Beyond the Obvious) Link bigthink.com 4 minutes
The Fifth Philosopher's Song The link is to words of the poem
Are we designed to be sexual omnivores? TED on YouTube. 14 mins
Mark Twain on Masturbation Text-based from brainpickings.com