Spermidine is the ‘Swiss army knife of longevity,’ from hair growth to heart health — how to get more of it By Reda Wigle Published July 4, 2025, 8:00 a.m. ET ...

OpenAI CEO Sam Altman says that the company is confident that it knows “how to build AGI as we have traditionally understood it,” referring to the tech industry’s long-sought benchmark of ...