Scratching the surface of the universe through science and technology.
To my ear it sounds as if something is wrong with this sentence. Is this a correct sentence from grammatical point-of-view? More importantly, does it make sense?
Scratch the surface is actually an idiomatic expression, you are probably referring to the figurative usage:
Lit. to scratch something just on the surface, not extending the mark below the finish into the wood, stone, marble, below. There is no serious damage done to the bench. You only scratched the surface.
Fig. to just begin to find out about something; to examine only the superficial aspects of something. The investigation of the governor's staff revealed some suspicious dealing. It is thought that the investigators have just scratched the surface. We don't know how bad the problem is. We've only scratched the surface.
(McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.)