This podcast episode from The Economist covers three distinct topics: the power struggle within the Murdoch family and the surprising financial performance of Fox and News Corp, despite the internal conflict and challenges in the media landscape; the promising developments in Alzheimer's research, including new drugs and diverse approaches to treatment that offer hope for slowing the disease; and the growing trend of shorter pop songs, driven by streaming platform payment structures and the influence of TikTok, which is reshaping the music industry.