What do SETI programs search for?

More Questions:

How many feet separate the bases in a regulation-sized baseball diamond?

Which year was the first book in the Harry Potter series published?

What are the Northern and Southern tropics also known as?

Accra is the capital of which country?

What was the capital city of West Germany from 1949 to 1990?

Which US state is nicknamed the "Sunshine State"?

Which media is read from the outside in, compact discs or vinyl records?

What does a “seismograph” measure?

With what is sulfur and saltpeter mixed to make gunpowder?

What was poured on anyone who said "I don't know" on "You Can't DO That on Television"?

What candy does E.T. love?

Which missionary and saint founded a monastery on the island of Iona?

What Spanish explorer conquered Montezuma and the Aztecs?

What is the atomic number of tungsten?

How many claws in total does the average adult cat have?