Via the IOM’s report on vaccine safety, we have “lost yet another battle in the war over vaccines” says Erika Check Hayden

NYT on how the psychology of misidentification is forcing an overhaul in police lineup procedures

Can there be anything nerdier than calling out Simon Pegg on the etymology of the word nerd? No.

Must-read post by Sean Mcarroll: Ten things everyone should know about time

How would you explain the meaning of right and left to an alien, without pictures or gestures?

“Scary Disease Girl” Maryn McKenna describes life on the infectious disease beat. Much wisdom here for aspiring writers.

India’s attempting the biggest biometric project of all time, involving all 1.2m of its people. Is it