Of course, we think Healthland has the most happening Twitter feed around, but there’s a whole other world of worthwhile tweeting from the science and health community that we think is too good to miss. In celebration of the microblogging site’s fifth birthday, we’ve compiled our list of top 10 health and science feeds (it’s part of TIME.com’s bigger list of the 140 best Twitter feeds). Get dispatches straight from a surgeon, an astrophysicist or one of the world’s top nutrition experts — each is an education in 140 characters or less.
