[lisper]

Yeah, I have to confess that I didn't get that far. I pretty much stopped here:

"The effect was most prominent in babies whose mothers had been in their third trimester on that fateful day."

At which point I thought, "OK, that's not surprising", wrote my comment, and went on to other things.

Frankly, I am extremely skeptical of the mouse results. I would be really surprised if this turned out to be reproducible. It's Lamarckian evolution, which has been long-discredited, which makes this an extraordinary claim which requires extraordinary evidence. By what possible mechanism could memory of a smell be recorded in a gamete's DNA?