Adults need about eight hours. For most school-age children, ten hours is ideal(理想的). But the new National Sleep Foundation survey found that 35% of 10- to 12-year-olds get only seven or eight hours. And guess what almost half of the surveyed ki...
contact very important, often not trusting someone who is afraid to look at you in the eye. But in Japan and many Latin American countries, keeping the eyes lowered is a sign of respect. To look apart in the eye is considered a sign of ill breeding...
Among the annoying challenges facing the middle class is one that will probably go unmentioned in the next presidential campaign: What happens when the robots come for their jobs? Don‘t dismiss that possibility entirely。 About half of U.S。 jobs ...
some are. Part of the problem is that with wall to wall Internet and cable news, every missing child case gets so much airtime that it’s not surprising even normal parental anxiety can be amplified. And many middle-class parents have gotten used...
It will not be the end of the world, at least not for quite a while yet, but the world will slowly become a different place. Older societies may be less innovative and more strongly disinclined to take risks than younger ones. By 2025 at the latest...
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