Technology

Four bright spots in climate news in 2025

December 24, 2025
Climate news hasn’t been great in 2025. Global greenhouse-gas emissions hit record highs (again). This year is set to be either the second or third warmest on record. Climate-fueled disasters like wildfires in California and flooding in Indonesia and Pakistan devastated communities and caused billions in damage. In addition to these worrying indicators of our…

Researchers are getting organoids pregnant with human embryos

December 23, 2025
At first glance, it looks like the start of a human pregnancy: A ball-shaped embryo presses gently into the receptive lining of the uterus and then grips tight, burrowing in as the first tendrils of a future placenta appear.  This is implantation—the moment that pregnancy officially begins. Only none of it is happening inside a…

How social media encourages the worst of AI boosterism

December 23, 2025
Demis Hassabis, CEO of Google DeepMind, summed it up in three words: “This is embarrassing.”   Hassabis was replying on X to an overexcited post by Sébastien Bubeck, a research scientist at the rival firm OpenAI, announcing that two mathematicians had used OpenAI’s latest large language model, GPT-5, to find solutions to 10 unsolved problems in…

How I learned to stop worrying and love AI slop

December 23, 2025
Lately, everywhere I scroll, I keep seeing the same fish-eyed CCTV view: a grainy wide shot from the corner of a living room, a driveway at night, an empty grocery store. Then something impossible happens. JD Vance shows up at the doorstep in a crazy outfit. A car folds into itself like paper and drives…

Welcome to Kenya’s Great Carbon Valley: a bold new gamble to fight climate change

December 22, 2025
The earth around Lake Naivasha, a shallow freshwater basin in south-central Kenya, does not seem to want to lie still.  Ash from nearby Mount Longonot, which erupted as recently as the 1860s, remains in the ground. Obsidian caves and jagged stone towers preside over the steam that spurts out of fissures in the soil and…

The Download: China’s dying EV batteries, and why AI doomers are doubling down

December 19, 2025
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. China figured out how to sell EVs. Now it has to bury their batteries. In the past decade, China has seen an EV boom, thanks in part to government support. Buying an electric…

China figured out how to sell EVs. Now it has to bury their batteries.

December 18, 2025
In August 2025, Wang Lei decided it was finally time to say goodbye to his electric vehicle. Wang, who is 39, had bought the car in 2016, when EVs still felt experimental in Beijing. It was a compact Chinese brand. The subsidies were good, and the salesman talked about “supporting domestic innovation.” At the time,…