Ok, Top 10 reasons you know you need to join the Hung Nerd's Support Group if.....
Seriously though, yes I have looked at it.
I got a blow job from a semi-hot biology major girl in college, and she decided it would be fun to prepare a sample slide. Afterwards, I asked her if she wanted help cleaning it up, but she said "No, that's all right. I'll do it" in a perky sort of way. I don't know why, but somehow I left feeling slightly violated.
Interestingly enough though sperm quality is an indicator of general health. Excercise, avoiding tobacco, alcohol, drugs, animal foods, hydrogenated and refined oils, reducing refined sugars and refined starches, plentiful sleep, and eating a mediteranean diet high in fruits and vegetables all cause sperm quality to go up in men of all ages, just as their general health and wellness incease.
Vitimin C also plays an important role in sperm motility.
You can read more about the role of diet and lifestyle factors and how they affect male fertility in "Stop Aging Now" and several other books by leading medical journalist, Jean Carper.