The Download: a secretive antiaging drug and joining virtual power plants

Plus: A judge has blocked the Pentagon's blacklisting of Anthropic. A startup claims it's found a drug to make your blood young I knew I'd officially become a "longevity influencer" when a company called Generation Lab offered me the chance to write about--and even receive--their new rejuvenation treatment. A company fact sheet says that it "blocks the systemic spread of aging in the bloodstream, reawakens the body's own repair mechanism and restores health and youth to multiple tissues." The approach is based on research by Generation Lab's irascible scientific founder, Irina Conboy. She found that joining the circulatory systems of old and young mice improved the old animals' ability to heal from injury. Conboy now says she has found a combination of two existing drugs that can produce youthful effects without the need for any bodily fluid exchange.