A potential Alzheimer’s breakthrough, what to watch in the first Biden-Trump debate, and more

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<p>Evan Osnos of the <a href="https://apple.news/AAWqKBrCeSLO5M0sXjtyHBg?campaign_id=applenewstoday_shownotes">New Yorker</a> describes what he&rsquo;ll be watching for in tonight&rsquo;s presidential debate.</p> <p>AI is exhausting the power grid. Tech firms are seeking a miracle solution. The <a href="https://apple.news/Aw15QojzcTh-gkLG2dLvNwQ?campaign_id=applenewstoday_shownotes">Washington Post</a>&rsquo;s Evan Halper is on the story.</p> <p>The brain makes a lot of waste. Now scientists think they know where it goes. <a href="https://apple.news/ADWXOyx_gTpO_Ra0qD-yF7g?campaign_id=applenewstoday_shownotes">NPR</a> reports.</p> <p>Today&rsquo;s episode was guest-hosted by Gideon Resnick.</p>