Environment

December 29, 2015

How a Soap Opera Affected Brazil’s Fertility Rate

During the past 40 years, Brazil's fertility rates declined. One cause was the new values that soap operas conveyed to an uneducated rural population.

November 13, 2015

The Problem With Bovine Burps

Reducing environmental externalities from greenhouse gas emissions involves the methane that cows and other ruminants burp.

October 25, 2015

The Diner’s Dilemma: Should You Divide the Check Equally With Friends?

Like the tragedy of the commons, splitting a bill among friends at a restaurant involves an individual's marginal benefit and the group's marginal cost.