Taking individual steps to affect the course of climate change is valuable, but collective action is more essential. To get there, we must talk about climate change, says Bill Nye the Science Guy.
We have an ethical imperative to deploy artificially intelligent robots on the battlefield, says Jerry Kaplan. They keep soldiers off the battlefield and discriminate between civilian and military life.
What the difference in brain structure between liberals and conservatives? And where do our political convictions come from: rational deliberation, or biological determinism?
If free will doesn't exist, is it healthier to believe it does?
Why do so many men default to saying 'I got this' when they really don't?
Siddhartha Mukherjee explores the genetics of sex and sexual identity in his new book, The Gene: An Intimate History.