In between his media tour and duties as a teenage father, Levi Johnston has apparently been hitting the gym. 

Johnston is best known as baby daddy to Bristol Palin's son, Tripp, and author of such MySpace gems as "I'm a f---in' redneck" and "I like to go camping and hang out with the boys, do some fishing, shoot some s--- and just f---in' chillin' I guess." (Kids, please remember that the Internet is forever. Pretend your mother is reading what you write at all times. You'll thank me in 10 years.)

As the media circus around Bristol's pregnancy and ensuing motherhood continues, however, it's Johnston that's speaking the most rationally about sex education and the realities of teenage parenting. (Bristol is back promoting abstinence after a brief stint where she said it was "unrealistic").

Citing Johnston as a beacon of clarity truth sounds a little crazy. Him taking his shirt of for GQ and hanging 24/7 with a bodyguard named Tank doesn't really help his credibility, either. But he did and he does, so all we can do now is post some photos, link to the GQ profile and remind everyone to abstain from sex until they're married always wear condoms.

What's that you say? Pouring over autism research is not how you want to spend the last  few hours of the work week? Fine: less medical debate, more videos about male hair removal.

In these troubled economic times, Gillette's working hard to sell more razors by encouraging more shaving—including that of the hair that dare not speak its name.

As Andrew Sullivan points out, however, Gillette is late to the party: Phillips has been addressing this important social issue for years now. They even have a catchy music video. (It appears that Phillips is concerned with the more modest art of 'manscaping', while Gillette is encouraging men to go all Chiklis down there. Think the difference between bonsai tress and clearcutting). 

Waste a few more minutes of your Friday afternoon comparing the two approaches: Gentlemen, are either of these videos likely to make you take a razor to your "undercarriage"—or do both make you want to put one to your wrists? Ladies (and other gentlemen), does the idea of a freshly-shorn fella make your heart go all atwitter, or do you find the whole thing kind of vain and creepy? Also, if we think this is ridiculous for men, can we lay off the pressure on women to exist as hairless Barbie clones?

Baseball's Dirty Secret: Jon Mooallem at Slate observes that the average baseball game sends up to 40 high-speed projectiles (foul balls and home runs) into the stands, which can lead to deadly consequences. He reviews a new book which aspires to serves as comprehensive chronicle of all deaths during baseball games since the 1862. The authors of Death At The Ballpark found 850 incidents; baseball fans have already alerted them to at least another 50. At what price Dollar Dog Night?  (Slate)

Lies Scientists Tell The data never lies—but sometimes the men and women manipulating the data do. That's what new research from online journal PLoS ONE finds. In the study,

2% of scientists admitted they had "fabricated" (made up), "falsified" or "altered" data to "improve the outcome" at least once, and up to 34% admitted to other questionable research practices including "failing to present data that contradict one's own previous research" and "dropping observations or data points from analyses based on a gut feeling that they were inaccurate."

The study authors also found that 14% of respondents said they knew someone who had fabricated, meaning that the two percent who owned up are either extremely popular, or the practice is even more widespread than the research indicates. (Eurekalert)

New Pregnancy Guidelines The Institute of Medicine yesterday codified how much weight women can safely gain while pregnant: too much, especially for women who already have weight-related health concerns, can lead to health problems for both the mother and the baby. Too little weight gain means the fetus may not be getting enough nutrition. Enough suspense! The new guidelines:

• Women who are underweight (BMI less than 18.5) should gain 28-40 pounds.
• Women of normal weight (BMI of 18.5-24.9) should gain 25-35 pounds.
• Women who are overweight (BMI of 25-29.9) should gain should gain 15-25 pounds.
• Women who are obese (BMI of 30 or more) should gain 11-20 pounds.

Swine Flu Vaccine By October?  As mainline China reports it's first domestic case of H1N1-caused flu, a representative from the Centers for Disease Control and Prevention confirms that samples of the virus have been shipped to vaccine manufacturers. Depending on the quality of vaccine produced from those samples, they may be able to offer something to the public by October. (Washington Post)