[This is the third of three intertwined posts on PKMzeta – the molecule that keeps our memories intact]

Last year, I interviewed Todd Sacktor for a feature on fear and memory in Eureka, the Times’s monthly science supplement. Sacktor discovered that a protein called PKMzeta is vital for storing memory and in his latest study, he shows that adding more of this protein in the brain can strengthen even old, faded memories. (See “Single protein can strengthen old faded memories”).

This post collates my two interviews with Sacktor – the first was done last year, and the second last night. The transcripts should act as a companion piece to my news story on his latest study, and my longer