Call these facts blow-your-mind kind because they are! From Gillian Anderson's role in X-Files to how much a cloud weighs, and to what Katy Perry and Michael Jackson have in common, check them out in the list below:

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.