astro-ph 21 Nov 2014 20 Nov 2014 John Wise Leave a comment (abs, pdf) McGreer et al., Model-independent evidence in favor of an end to reionization by z~6 (abs, pdf) Smidt et al., Finding the First Cosmic Explosions. IV. 90 – 140 M$_{\odot}$ Pair-Instability Supernovae