Nature erotica at its best.
It's pine cone season, and while the humble winter icon has become a symbol of all things cold and cozy, it's got a saucy secret. As described by KQED San Francisco, it's an "ancient form of tree sex."
Yes, the humble pine cone is at the core of reproduction for the tallest, most massive, and oldest living individual organisms on the planet; the coast redwood, the giant sequoia and the bristlecone pine, respectively.But how do male and female pine cones do their thing? Here's a crash course on the birds and the bees, confer-style, created by KQED and presented by PBS Digital Studios. Cue the Barry White.