
Notre Dame’s Architectural Legacy
This religious center, cultural icon and UNESCO World Heritage Site is also an engineering marvel

Notre Dame’s Architectural Legacy
This religious center, cultural icon and UNESCO World Heritage Site is also an engineering marvel

How France Can Rebuild Notre Dame
An expert offers a scientific perspective on what has been lost and what can be restored


Environmental Thinker Bill McKibben Sounds Warning on Technology
Known for climate change work, the pioneer says global warming, AI and genetic engineering are self-inflicted threats to humanity

Military Tries Out Fish as Underwater Spies
The sophisticated sensing behaviors of marine organisms could serve as a surveillance system that aids national security

Russia’s New Nuclear Missiles Squeeze Response Time
As treaties end, Russia focuses on hypersonic weapons that could “tighten the noose” on current U.S. defenses

How 3-D Printing Could Break into the Building Industry
Imagine a single trained operator making a bridge, home or barracks

To Limit Solar Geoengineering’s Side Effects, the Right “Dose” Is Needed
Deploying sunlight-blocking aerosols to counteract only some global warming could avoid changes to precipitation

How Security Experts Track North Korea’s Nuclear Activity
Remote techniques can detect signs of active testing—but they don’t tell us everything

Don’t Let Robots Pull the Trigger
Weapons that kill enemies on their own threaten civilians and soldiers alike

Rising High: GM Yeast Generates Known and Novel Marijuana Compounds
Engineered microorganisms churn out THC, CBD and rarer, less-understood cannabis cousins

Should Robots Have a License to Kill?
Artificial intelligence experts, ethicists and diplomats debate autonomous weapons. Christopher Intagliata reports.

Out of the Way, Human! Delivery Robots Want a Share of Your Sidewalk
As automated delivery ramps up, cities must decide how to make the best use of public spaces