I saw this article (and many others on the same subject) about how laptops can reduce men’s sperm count. I’m at the Ubuntu Conference in Mataró: a virtual sperm apocalypse.
Many geeks who are at no risk of impregnating anyone — or who are paranoid at the idea that they might — seem very concerned by the negative effects on potency of laptops that raise their "scrotal temperature." I’ve never understood this.