Blacks aren't good at swimming because they have denser bones? Don't know whether to believe it or not.
I have heard something similar before. Not a clue if its true or not. They can run faster, jump higher etc.
The black Piranha is quite a capable swimmer.</p> With big nasty pointy teeth.</p> </p> </p> Reminds me of Craig Bellamy... </p>
if you're generally interested in the subject, then I suggest that you read... ..."Taboo: Why Black Athletes Dominate Sports and Why We're Afraid to Talk about It" by Jon Entine. Fascinating stuff, and deals with a wider range of sporting issues including the systematic injecting of male hormones into East Germany's female athletes in the 80s. The swimming thing is mentioned as well, but I can't remember what he said as it's a while since I read it.