A reader calls for museum curators to look for historic scientific apparatus, and a landmark treaty aims to protect the Mediterranean from pollution, in our weekly dip into Nature’s archive.
（四）代替他人或者让他人代替自己参加考试的。
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While lifesaving vaccines face a relentless onslaught from the Trump administration—with fervent anti-vaccine advocate Robert F. Kennedy Jr. leading the charge—scientific literature is building a wondrous story: A vaccine appears to prevent dementia, including Alzheimer's, and may even slow biological aging.
Meadhainnigh knew very little about development before he joined the project, and he said it’s the first online community he has been a part of. What keeps him going is that community—and to see his and others’ work become a part of a whole.
15:33, 27 февраля 2026Экономика