If it were all normal, there would be far less collapse, and in all probability no galaxies (so, once again, no humans).

ECONOMIST: Astronomy

The analysis of the CMB data, released last Thursday, indicates that only 15.5% of the Universe's matter is what we would call "normal" - that is, the atomic material from which planets, stars and galaxies are built.

BBC: Planck telescope: A map of all the 'stuff' in the cosmos