In general, science journalism concerns itself with what has been published in a handful of peer-reviewed journals - Nature, Cell, The New England Journal of Medicine - which set the agenda.

I think perfect objectivity is an unrealistic goal; fairness, however, is not

You cannot eat apples planted from seeds. They must be grafted, cloned.

A vegan in a Hummer has a lighter carbon footprint than a beef eater in a Prius.

What an extraordinary achievement for a civilization: to have developed the one diet that reliably makes its people sick!

There’s an assumption that if someone writes in the first person it’s self-indulgent and self-regarding. I just look at it as a tool to understand the world and my experience in it. It’s not a tool to understand myself.

You have to draw lines between being a journalist and an activist.