Research shows that mixed-gender porn stimulates sperm to swim faster than all-women porn.
By Siri Steiner
Posted 08.04.2005 at 8:00 pm 0 Comments
Animals have developed some fascinating tactics to ensure that their genes survive to the next generation: impressive color displays, the best pheromone smell, sperm that induces the female to ovulate right after mating. And humans apparently aren’t above such biochemical shenanigans.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.