The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
However, I strongly, strongly recommend that anyone who's interested in lifelong learning, think about organizing your bouts of learning, especially cognitive learning, to come in the two to three hours, maybe even four hours, but certainly in the one to two hours, after you do some sort of exercise that doesn't leave you exhausted, but leaves you with elevated levels of energy in your body.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.