Chemicals from our phone and TV screens are accumulating in the brains of endangered dolphins and porpoises. New research shows these "liquid crystal monomers" from e-waste can cross the blood-brain barrier and may disrupt DNA repair, highlighting the growing impact of electronics on marine life.

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Дональд Трамп. Фото: NATHAN HOWARD / Reuters

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自1978年改革开放以来，几十年时间里，中国长期采取以出口为导向的外向型经济发展模式。据海关总署和国家统计局数据测算，1995年以来，中国的对外贸易依存度长期保持在30%以上。其中，自2001年加入WTO后，该指标更是一路攀升，2006年一度达到60%以上的峰值。

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Our task- and occupation-level exposure measures can readily incorporate other usage data, and be extended to different countries. We intend to apply this methodology to new settings over time.