A few of the recent pieces I've liked:
Maryn McKenna at Superbug: Scathing Report: Polio Eradication "Not ... Any Time Soon"
Douglas Starr at Discover Magazine: Sparks of Truth: Can Science Bring Justice to Arson Trials?
Scicurious at The Scicurious Brain: Grab your Coffee, I think this paper may depress you
Patricia Leigh Brown at California Watch: On edge of paradise, Coachella workers live in grim conditions
Andrew Villegas at Kaiser Health News: Groups Thank "Obamacare," and Not Sarcastically
And in the "worth hearing" category: Not Exactly Rocket Science blogger Ed Yong talks to BBC's Radio 4 about "the implications of being host to billions of microbes."