My favorite part of the summer Olympics, well besides gymnastics and diving, is swimming. There is nothing hotter than a swimmer’s upper body—though I must confess I am grossed out by the fact that they have to shave ALL their body hair in order to swim faster. Everyone goes on and on about Michael Phelps and how he tied the World Record for some race and how he is probably going to be the most decorated athlete in Olympics history, but it’s Ryan Lochte who caught my eye during the Olympic Trials this past weekend. First of all, he doesn’t have that gross, thick swimmer’s neck; second, he totally kept up with Phelps during the race in which Phelps tied the World Record, coming in only a millisecond or something behind him; third, he didn’t wax his armpit. Woohoo!

Dating site ScientificMatch.com has users send in a sample of their DNA so that matches can be made based on immune system genes, along with the usual personality preferences. “Nature wants us to breed with others that have different immune system genes than ours,” said Chris Holz, Scientific Match’s co-founder. [The Daily Free Press]

A church in southwest Florida is having a 30-day sex challenge. Married members are encouraged to have sex every day for 30 days, while the unmarried must go to bed alone. [WESH.com]

An exhibit in Paris aimed at 9-to-14-year-olds delves into sexual issues, including “What does making love mean?” and “If a pregnant woman eats spinach, does the baby in her tummy taste it too?” Ooh la la! [LA Times]

In Canada, brothels are illegal but prostitution isn’t, so a group is attempting to set up a legal sex “co-op” in time for the 2010 Olympics in Vancouver. [Stuff.co.nz]