100 величайших открытий. Химия.
5 years ago 00:49:08 77
5 years ago 00:54:24 18
10 years ago 00:47:54 228
12 years ago 00:06:11 15
5 years ago 00:44:10 12
6 years ago 00:04:50 109
1 year ago 00:04:09 78
11 years ago 00:53:16 79
14 years ago 00:11:37 20
8 years ago 00:44:10 20
10 years ago 00:04:37 45
8 years ago 00:03:21 938
10 years ago 00:05:24 21
8 years ago 00:10:14 1
8 years ago 00:03:47 1K
6 years ago 00:03:25 25
10 years ago 00:04:03 8
10 years ago 00:05:28 8
10 years ago 00:04:12 6
10 years ago 00:04:33 9
9 months ago 00:14:43 1
10 years ago 00:03:06 9
12 years ago 00:43:49 27
4 years ago 00:18:52 10
