The quest to find out how our bodies react to extreme temperatures
It’s the 25th of June and I’m shivering in my lab-issued underwear in Fort Worth, Texas. Libby Cowgill, an anthropologist in a furry parka, has wheeled me and my cot into a metal-walled room set to 40 °F. A loud fan pummels me from above and siphons the dregs of my body heat through the…
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Bill Gates: Our best weapon against climate change is ingenuity
It’s a foregone conclusion that the world will not meet the goals for limiting emissions and global warming laid out in the 2015 Paris Agreement. Many people want to blame politicians and corporations for this failure, but there’s an even more fundamental reason: We don’t have all the technological tools we need to do it,…
2025 Climate Tech Companies to Watch: HiNa Battery Technology and its effort to commercialize salt cells
HiNa Battery Technology is a trailblazer in developing and mass-producing batteries using sodium, a widely available element that can be extracted from sea salt. The startup’s products—already powering small vehicles and energy storage plants in China—provide a valuable alternative to lithium-based batteries, made with materials mined and processed in just a few countries. Over the…
How we picked promising climate tech companies in an especially unsettling year
MIT Technology Review’s reporters and editors faced a dilemma as we began to mull nominees for this year’s list of Climate Tech Companies to Watch. How do you pick companies poised to succeed in a moment of such deep uncertainty, at a time when the new Trump administration is downplaying the dangers of climate change,…
2025 Climate Tech Companies to Watch: Pairwise and its climate-adapted crops
Climate change will make it increasingly difficult to grow crops across many parts of the world. Pairwise is leveraging CRISPR gene editing to develop plants that can better withstand adverse conditions. Pairwise uses cutting-edge gene editing to produce crops that can withstand increasingly harsh climate conditions, helping to feed a growing population even as the…
Firefly leans into its defense ambitions with $855M SciTec acquisition
Firefly Aerospace has agreed to buy defense analytics firm SciTec for about $855 million in cash and stock as the company tries to push deeper into the national security market.
Another effort to track ICE raids was just taken offline
People over Papers, a crowd-sourcing project that maps sightings of immigration agents, was taken offline yesterday by Padlet, the collaborative bulletin board platform on which it was built. It’s just the latest ICE-tracking initiative to be pulled by tech platforms in the past few days. A Padlet customer service representative told Celeste, one of the…
Heidi Health raises $65M Series B led by Steve Cohen’s Point72
Heidi Health raised a $65 million Series B led by Steven Cohen’s Point72.
Waffles eat Bluesky
A waffle-centric controversy underlines ongoing tensions between Bluesky and some of its most vocal users.