Тульские ученые нашли способ проверить чистоту воды за 5 минут
7 months ago 00:11:33 1
7 months ago 00:11:25 1
7 months ago 00:02:38 1
7 months ago 00:01:02 1
7 months ago 00:10:00 1
7 months ago 00:00:13 1.7K
7 months ago 00:00:44 2.4K
7 months ago 00:01:55 892
7 months ago 00:02:18 1.5K
7 months ago 00:11:24 18
7 months ago 00:03:55 13
7 months ago 00:01:16 1
7 months ago 00:31:28 1
7 months ago 00:03:51 1.6K
7 months ago 00:08:42 1
7 months ago 02:26:43 1
7 months ago 00:54:36 2.4K
7 months ago 00:06:39 1
7 months ago 00:00:58 35
7 months ago 00:04:42 1
7 months ago 00:03:54 4.9K
7 months ago 00:10:00 1
7 months ago 00:10:56 1
7 months ago 00:00:57 35