31 minutes
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Uvlekatel'nyy, polnyy romantiki morskih priklyucheniy rasskaz 'Kak uvidet' morskoe dno?' izvestnogo uchyonogo, doktora biologicheskih nauk, populyarizatora nauki A. Tambieva o nauchnoy ekspedicii v Krasnom more. Iz etogo rasskaza ty uznaesh', kakimi priborami uchyonye pol'zuyutsya dlya issledovaniya morya i morskogo dnya, kak ustroen nauchnyy korabl' i akvalang, kak proiskhodit pogruzhenie pod vodu i kakih udivitel'nyh morskih obitateley uchyonye izuchayut Dlya mladshego shkol'nogo vozrasta.