Search for primordial black holes called off

January 21, 2014
Search for primordial black holes called off

"It has been called an elegant solution to a difficult problem. The notion that mysterious dark matter, which holds galaxies together, is made of primordial black holes that formed when dense regions of early Universe gravitationally collapsed was laid out in 1971 by physicist Stephen Hawking of the University of Cambridge, UK1. The idea has never been the mainstream explanation for dark matter — 85% of the Universe's matter that makes itself known only through its gravitational influence on observable objects — but it has lingered because it does not require the addition of particles to the standard model of particle physics."

Read Full Article in Nature: http://www.nature.com/news/search-for-primordial-black-holes-called-off-1.14551