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?
Artists are producing tactile art for the vision-impaired and the blind.
Best Friends Animal Sanctuary is spearheading a national no-kill shelter movement for cats and dogs.
A new study raises troubling questions about the use of commonly prescribed opioid painkillers.