By Seth Shostak
To quote in part:
Anyone who’s seen the  movie “Contact,” based on Carl Sagan’s 
novel of the same title, has a good idea of what the Phoenix team does for
The work is frequently dull, but the enticement is enormous.
After all, sooner or later it’s bound to happen. The computers
will find what no human ear could hear: a faint whistle, a flute
played against Niagara Falls — conclusive proof that the
universe is home to far more than just us.