In defense of air-conditioning

July 17, 2025
I’ll admit that I’ve rarely hesitated to point an accusing finger at air-conditioning. I’ve outlined in many stories and newsletters that AC is a significant contributor to global electricity demand, and it’s only going to suck up more power as temperatures rise. But I’ll also be the first to admit that it can be a…

Researchers announce babies born from a trial of three-person IVF

July 16, 2025
Eight babies have been born in the UK thanks to a technology that uses DNA from three people: the two biological parents plus a third person who supplies healthy mitochondrial DNA. The babies were born to mothers who carry genes for mitochondrial diseases and risked passing on severe disorders. The eight babies are healthy, say…