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Yes, a person needs different amounts of sleep at different ages. And this difference is quite significant.
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"Land of Knowledge": popular science magazine for young people in Russian
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Useful information for those who care about their children
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See to your child's proper development
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When Victoria went for her morning run,.
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- You're coming with me. I'll take you on credit," the man said, and turned his back.
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Scientists noticed that the metabolism of bioluminescent fungi and ordinary plants had much in common.
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