1.   The ends of a helix can be joined to form a continuous ring or torus.

2.   But it is enough to prevent these rivals from joining to form their own governing coalition.

3.   In October, they joined to form a cable sports network.

4.   INVESTING IN TURKEY Financial institutions from Greece, Turkey and the United States have joined to form a private equity fund that will invest in Turkey.

5.   Nickel atoms crack open the buckyballs, several thousand of which join to form a flawless tube.

6.   Some join to form molecule-like objects, including polymers, and others form checkerboard arrays suggestive of the atomic lattice structures of crystals.

7.   Speculation about a major Roche acquisition was heightened last year when Sandoz AG and Ciba-Geigy AG joined to form Novartis AG.

8.   Texaco Inc. and auto racing champions Mario and Michael Andretti have joined to form Andretti Petroleum LLC, a gasoline distributorship in northern California.

9.   The city is situated where the Allegheny and the Monongahela join to form the Ohio River, so crossing bridges is inevitable.

10.   The Lever Brothers, Chesebrough-Pond and Helene Curtis units are being joined to form Unilever Home and Personal Care USA, with offices in Greenwich and Trumbull.