Good to know: Etsy retailers can sell human teeth, but not bones

Oh, Etsy, you wonderfully weird online bazaar. One can find almost anything beneath your digital marquee — from made-to-order Jayne Cobb beanies to dog toys in the shape of a penis, to bar soap carved in the likeness of a baby's face — but there's one thing you won't find for sale at Etsy: human bones. » 8/13/12 6:50am 8/13/12 6:50am

Want to know if a man is fertile? Check his bones.

For gentlemen only: Your fertility may be dictated by your skeleton. New research in mice has shown that there's a very strong link between the bone hormone osteocalcin, and the production of testosterone. Male mice with low levels of osteocalcin had small and infrequent litters compared to those with higher amounts of … » 2/18/11 3:51pm 2/18/11 3:51pm

10 Greatest Rappers Who Starred in Science Fiction and Fantasy Films

In space, nobody can hear you freestyle. But that hasn't stopped some of hip-hop's greatest legends from appearing in some classic science fiction and fantasy movies. From battling killer sharks to fighting off ghosts on Mars, some of our favorite rappers have also become some of our favorite SF heroes. » 2/17/11 10:35am 2/17/11 10:35am