1.   The force of their exertion against one another pushed them apart.

2.   But the irony of instant computer access is that it may be pushing us apart.

3.   One suggestion is that empty space has a kind of vacuum energy that pushes galaxies apart.

4.   Tantalizingly ambiguous, their dance suggested to Powell the way that time and circumstance bring people together and then push them apart.

5.   It should not push them apart in line with the designs of the terrorists who perpetrated them.