Cosmic bubble made cold spot in big bang afterglow - space - 01 July 2010 - New Scientist

Cosmic bubble made cold spot in big bang afterglow - space - 01 July 2010 - New Scientist: "A BUBBLE of space that expanded differently to the rest of the early universe could explain a strange 'cold spot' in the afterglow of the big bang. Such bubbles might have formed just fractions of a second after the universe came into existence, when it grew dramatically in size."

Helium clue found in echo of the big bang

http://www.newscientist.com/article/mg20527463.700-helium-clue-found-in-echo-of-the-big-bang.html