1. So it turns out that the men are hunters, women are gatherers stuff is not supported by the data we have.
2. This piece on the things that footpaths tell us is just amazing.
3. This debate about ketchup is fascinating. In the interest of full disclosure, I actually don't keep ketchup in my house, but growing up it was always in our fridge even when one of my siblings went through ketchup goes on all the things phase. (I am not against ketchup, I just don't consume the things at home that I feel ketchup goes best on.)