Why is Africa still the poorest continent? Among 29 countries where human life expectancy is still 50...
Costing the arms race: drugs, super-bugs and the appliance of science Does the spread of multiply-resistant microbes signal the end of...
Birth control, Death control and the Demographic Transition The improving survival rates of children, and the freedom to...
Why do people play the Lottery? Make up your mind! It has often been said that greed and fear drive...