Science
Will Superintelligent Machines Destroy Humanity?
In a thoughtful new book, a philosopher ponders the potential pitfalls of artificial intelligence.
How to Slake California's Thirst
Following Australia's lead on water rights and water markets would solve the state's water shortage.
Climate Change Costs By 2100: Doing Nothing Has the Same Price Tag as Doing Something
Adapting to climate change would cost roughly the same as trying to slow it.
Ebola: 'Dress Rehearsal' or Show Closer?
Rapid biomedical progress will soon make epidemics ancient history
Predictions of a Man-Made Sixth Mass Extinction May Be Exaggerated
Urbanization, forest, and agricultural trends point in a more hopeful direction
'Corporate Money' Leads to Life-Saving Medical Discoveries
Activists obsessed with "conflict of interest" in science make life more difficult for doctors, and for patients who want cures.
'Editing' Life With Gene Drives is a Great Way to Play God
Researchers develop a powerful new tool to manage wild ecosystems.