1.   An unexplained phenomenon?

2.   -- television is cornering an end-of-Millennium bull market on unexplained phenomena.

3.   Dana Scully is assigned to work with Fox Mulder on the X-files, a division of the FBI that investigates unexplained phenomenon.

4.   Life may just go on as it has, and the amazing reaction to her death may be filed under unexplained phenomena.

5.   Part of the difficulty is that there are still unexplained acoustic phenomena.

6.   The same pattern was found in Spanish men and women, suggesting that this still unexplained phenomenon might be based on some essential physiological difference between men and women.

7.   The story follows seven people stranded in a remote farmhouse surrounded by flesh-eating zombies awakened by some unexplained phenomenon.

8.   They are FBI agents, working on the X files, which deal with unexplained phenomena.

9.   Unexplained phenomena stack up.

10.   Unexplained phenomena.