It is perhaps a sobering thought that we seem to play no special role in the Universe.It is even more humbling at first-but then wonderfully enlightening-to recognize that evolutionary changes,operating over almost incomprehensible space and nearly inconceivable time,have given birth to all that we see around us.Scientists are now beginning to decipher how all known objects- from atoms to galaxies,from cells to people-are interrelated.We are beginning to sketch the scenario of cosmic evolution.
展开▼
