Steven Pinker

There's a misconception that survival of the fittest means survival of the most aggressive. The adjective 'Darwinian' used to refer to ruthless competition; you used to read that in business journals. But that's not what Darwinian means to a biologist; it's whatever leads to reproductive success.

Why is it surprising that scientists might have long hair and wear cowboy boots? In fields like neuroscience, where the events you are recording are so minute, I suspect scientists cultivate a boring, reliable image. A scientist with a reputation for flamboyance might be suspect.

The majority of small-holder farmers in Africa are women and, in urban areas, you're primarily looking at women-led households. So we can't solve hunger if we don't have gender-sensitive programming that addresses access to opportunities for women, whether it's through education or tools for cooking, like solar-powered stoves.