The death of a close friend rocked Chris Sypolt's world. So, he did what any logical 44 year old would do and set out on an an 80-day, round the world trip. It was the first time he'd ever left the US.
When your society has inhabited a small, remote island for countless generations and boasts a population of only 300,000, the odds of having sex with a relative are significant. Luckily, Icelanders now have a handy tool to avoid family-sex.