UNLABELLED The human commensal and opportunistic pathogen Candida albicans can switch between two distinct, heritable cell types, named "white" and "opaque," which differ in morphology, mating abilities, and metabolic preferences and in their interactions with the host immune system. Previous studies revealed a highly interconnected group of transcriptional regulators that control switching bet...

Swarming is a conspicuous behavioral trait observed in bird flocks, fish shoals, insect swarms, and mammal herds. It is thought to improve collective awareness and offer protection from predators. Many current models involve the hypothesis that information coordinating motion is exchanged among neighbors. We argue that such local interactions alone are insufficient to explain the organization o...

AIMS To assess retrospectively the prognosis and complications of corneal grafting for congenital opacities. METHODS Fifty eight eyes of infants and young children with congenital corneal opacities were studied retrospectively. Preoperative diagnoses included sclerocornea (27 eyes), Peters' anomaly (17 eyes), partial sclerocornea (12 eyes), and congenital glaucoma (two eyes). Penetrating kera...

Using cross-country data on trading by international mutual funds, I find that firms with more opaque information environments, as captured by firmand country-level measures of the availability of financial reporting information, experience more privately-informed trading by institutional investors. The association between firm-level opacity and informed trading is most pronounced where country...