Everybody loves a home-cooked meal, but what if your stove was slowly poisoning you? Alsom the average human life expectancy has increased dramatically. Researchers have cured diabetes in mice by putting insulin-producing cells into a tiny device. Also, older people who have trouble falling asleep are more likely to have cognitive troubles later. Then, a study showing that smartphones should have a bedtime too. And finally, 25% of adults say they simply don’t want children… and they’re perfectly happy