Those crazy MIT scientists are at it again, this time identifying a molecular basis for fear and subverting it in mice.
They isolated a protein-changing enzyme called Cdk5, the inhibition of which "facilitates the extinction of fear learned in a particular context".
Li-Heui Tsai, resident extremely smart dude, says this of the research: "This data points to a promising therapeutic avenue to treat emotional disorders and raises hope for patients suffering from post-traumatic stress disorder or phobia."
Possibly related - an alarming number of MIT grad students ask for dates. With GIRLS.