Академический онлайн-час «Д.И. Менделеев: великий ученый и необычный человек»
К 190-летию со дня рождения русского ученого Д.И. Менделеева.
3 months ago 00:12:59 1
4 months ago 00:02:47 6
4 months ago 01:30:48 1
4 months ago 00:35:11 5
5 months ago 00:24:28 1
5 months ago 00:09:45 7
5 months ago 00:03:25 3
5 months ago 00:10:12 1
5 months ago 01:34:44 1
6 months ago 00:50:41 1
6 months ago 00:30:35 3
6 months ago 00:03:44 1
6 months ago 00:01:38 1
7 months ago 00:01:45 1
7 months ago 01:38:03 1
7 months ago 00:04:05 1
7 months ago 01:20:13 2
7 months ago 08:36:43 1
8 months ago 00:01:07 1
8 months ago 02:01:26 1
8 months ago 00:55:55 1
8 months ago 00:09:40 1
8 months ago 00:03:51 2
8 months ago 00:02:51 1
