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In reaction to the focus of international university rankings on a tiny cluster of “world class universities”, attempts are being made to rank national higher education systems.  This paper compares the results of the U21 system ranking with those of major university rankings, reviews the reasons for their similarities. It argues that system rankings are critical and suggests how to enhance their usefulness

We apply molecular dynamics simulations to quantify the effects of free surfaces and interfacial regions on crystallization in freestanding and bilayer polymer films. We show that enhanced crystal nucleation in polymer thin films is quantitatively correlated to faster local segmental dynamics induced by free surfaces. When a second layer is deposited onto a semicrystalline film, we observe rapid primary nucleation near the free surface, secondary nucleation near the semicrystalline interface, an

Abstract Ezh2 Maintains the B-2 Lineage Fate See article p. 1760 Liposome Immunotherapy Suppresses T1D See article p. 1787 AMPK Activation Attenuates Zika Virus Replication See article p. 1810 Innate Lung Responses to Aspergillus Require 12/15-LOX See article p. 1849 Off-Target TCR Repertoires See article p. 1943 Kindlin-3 Restricts Myeloid Cell Migration See article p. 1954