A major new study finds that Americans in midlife are lonelier, more depressed, physically weaker, and showing worse memory than earlier generations — and the gap between the US and most of the rest of the wealthy world is significant and growing. Also: a Simon Fraser University study finds that life satisfaction isn't just about feeling good — autonomy, the sense that your choices are genuinely your own, turns out to be a stronger predictor than positive emotions. And demographers are increasingly clear: the world is running out of people, and it's not because of war or disease — it's because prosperity itself is changing the math. Plus humanoid robots beating humans in a half-marathon, a skydiver hitting a scoreboard, and a bear costume that did not hold up to scrutiny.<hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>