Start school later, sleep longer, learn better: New study shows that flexible school start times can be an effective and practical approach to reducing chronic sleep deprivation and improving adolescents’ mental health and academic performance.

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When it comes to the president, chaos is often the strategy. For businesses like Smeaton’s the opposite is needed—stability. Wearing Morph suits might be fun and gain you 5 million views on YouTube. But a potential wipeout of your profits after the latest announcement from the White House is hardly a laughing matter.

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8. MarketMuse MarketMuse uses an algorithm to help marketers build content strategies. The tool shows you where to target keywords to rank in specific topic categories, and recommends keywords you should go after if you want to own particular topics. It also identifies gaps and opportunities for new content and prioritizes them by their probable impact on your rankings. The algorithm compares your content with thousands of articles related to the same topic to uncover what’s missing from your site.

But she was also acutely aware of the donor family's "incredible gift", which would enable her to carry and give birth to her own child.

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Речь идет о соединениях PFNA (перфторнонановая кислота) и PFOSA (перфтороктансульфонамид), относящихся к группе PFAS — пер- и полифторалкильных веществ. Эти соединения с середины XX века применяются в производстве водо- и жироотталкивающих покрытий, антипригарной посуды, упаковки и противопожарных пен. Благодаря прочной углеродно-фторной структуре они крайне устойчивы и могут сохраняться в окружающей среде сотни лет.