The Psychological Trauma of Defecting from North Korea
Ghosts in the Machine
AI systems don’t think exactly like humans, but the algorithms can—and do—play favorites.
How Artificial Intelligence Can Stop Sex Trafficking
First Nuclear Chain Reaction Changed the World 75 Years Ago Today
The world’s first manmade nuclear reaction took place in a primitive reactor known as the Chicago Pile.
These Super Rare Butterflies Thrive on Army Bases. The U.S. Military is Helping Them.
To save endangered butterflies, an unlikely team of ecologists and the Department of Defense are setting some of them on fire.
Taking Politics Out of Climate Change
Climate change has become politicized in the last 20 years, but now conservatives and liberals are tackling the issue.