An AstraZeneca survey of how the company’s scientists use social media found that 71% participate in social media, and of those, 71% do so for science-related activities and 69% for personal reasons. Professional networks were the favorite social media channel of the 372 British, Swedish and American respondents to the survey, with 79% saying they participated in them, follwed by Wikis (53%), blogs (50%) and Yammer (48%). Just a quarter of those using social media said they participate in social networks. They’re passive social surfers — less than a fifth of them said they post comments, with 61% saying they read and watch content.

Everyday Health’s monthly unique users tally ticked past 30 million in January according to comScore’s Media Metrix. The portal trumpeted the stat, along with its inclusion in AlwaysOn’s OnMedia Top 100 list of emerging companies in the media and marketing worlds.