Complex sentence: Terence Tao subsequently proposed a Polymath project collaborative effort to optimize Zhang's bound; as of April 14,2014, according to the Polymath project wiki, N has been reduced to 246.
Split into simpler sentences: Terence Tao subsequently proposed a Polymath project collaborative effort to optimize Zhang's bound. As of April 14,2014, according to the Polymath project wiki, N has been reduced to 246.