Although, it cannot explain the beginning of life, the feeling of oneself within our body. But we still feel there is something, someone.
Second, which is most interesting - science is merely a religion. It approves (with its own) methods what it has found, and generally does not accept the unknown. And also, everything scientists learn (or at least 80%) is based on belief to what they have read (and some subjective person wrote) in their study books (which have to be approved).