This image appeared in an NPRShots blog post outlining the CDC's recent recommendations on male circumcision:
Source: NPR News / Corbis Images
Please help me understand - What on earth do the floating molecules have to do with this story?
I grok that the image suggests two men deep in conversation. The article doesn't mention any drugs. Nor bodily substances. No pheremones, hormones, biomarkers, or viral particles enter the conversation. Just another case of stockimagesgonewrong?