document.write("«&nbsp;<a href='/news/view?id=83970'>Geekbench and Reddit think they’ve cracked why iPhones get slower over time</a>");document.write(" | ");document.write("<a href='/news/view?id=83972'>Generalized Tur\'an problems for disjoint copies of graphs. (arXiv:1712.07072v1 [math.CO])</a>&nbsp;»");