In a sandy industrial lot outside Reno, Nevada, rows of battery packs that once propelled electric vehicles are now powering a small AI data center. —James TempleWe’re learning more about what weight-loss drugs do to the bodyWeight-loss drugs are this decade’s blockbuster medicines. They became so hugely popular so quickly that not long after their approval for weight loss, we saw global shortages of the drugs. Prescriptions have soared over the last five years, but even people who don’t have prescriptions are seeking these drugs out online. We know they can suppress appetite, lower blood sugar, and lead to dramatic weight loss.