Why Tehran Is Running Out of Water

The Oceans Are Going to Rise—but When?
The uniquely vulnerable West Antarctic Ice Sheet holds enough water to raise global sea levels by 5 meters. But when that will happen—and how fast—is anything but settled.
The Rare Earth Metal Driving Tensions Between the US and China
Yttrium plays a critical role in everything from aircraft engines to semiconductors. China controls the vast majority of the market—and that’s not changing any time soon.
If the US Has to Build Data Centers, Here’s Where They Should Go
A new analysis tries to calculate the coming environmental footprint of AI in the US and finds that the ideal sites for data centers aren’t where they’re being built.
How to Watch the Geminids Meteor Shower—the Most Spectacular of the Year
The highlight of the year, the Geminids are the most active and colorful meteor shower, offering the chance to see hundreds of shooting stars every hour when they peak in mid-December.
The Trump Administration’s Data Center Push Could Open the Door for New Forever Chemicals
The EPA is prioritizing review of new chemicals to be used in data centers. Experts say this could lead to the fast approval of new types of forever chemicals—with limited oversight.
Europe Is Bending the Knee to the US on Tech Policy
The Trump administration’s pressure on European regulators is having an impact, with fewer restrictions on Big Tech and canceled measures.
Bad Air Is One of the Biggest Threats to Your Health. Here’s How to Protect Yourself
Even though you can’t see it, fine particulate matter from woodsmoke and industrial pollution can cause everything from heart attacks and diabetes to brain damage.
Amazon Workers Issue Warning About Company’s ‘All-Costs-Justified’ Approach to AI Development
Amazon Employees for Climate Justice says that over 1,000 workers have signed a petition raising “serious concerns” about the company’s “aggressive rollout” of artificial intelligence tools.
The Hidden Math of Ocean Waves
The math behind even the simplest ocean waves is notoriously uncooperative. A team of Italian mathematicians has made major advances toward understanding it.
Amazon Is Using Specialized AI Agents for Deep Bug Hunting
Born out of an internal hackathon, Amazon’s Autonomous Threat Analysis system uses a variety of specialized AI agents to detect weaknesses and propose fixes to the company’s platforms.
Poems Can Trick AI Into Helping You Make a Nuclear Weapon
It turns out all the guardrails in the world won’t protect a chatbot from meter and rhyme.