Russell Saunders argues that obesity is a complex problem. While sin taxes might not work all alone, they can be a part of the solution.
Baylen Linnekin looks at how public policy contributes to obesity. Rather than new taxes to fight fat, we need to fix what we're doing wrong.
Christopher Snowdon throws cold water on the idea that taxing soda can keep the public thin.
Can public policy stop obesity? Or at least help? Four experts on public health and health policy offer a range of views.
Robin Hanson predicts the end of the solar system and perhaps the galaxy. And humans taking over our formerly natural selection.
Jerome H. Barkow explains why evolutionary forces will shape extraterrestrial life, and how psychology clouds human ideas about it.