Abstract Aim This study aims to review the available surgical Massive Open Online Course (MOOCs), assess their scope, users, function and use a quality assurance score whether they are of sufficient quality. Understanding gaps will aid development future MOOCs. Introduction MOOCs have been changing fabric medical education over last ten years1. They perceived be disruptive in dismantling tradit...

Shows a photograph of the Anglo-American's 510-tonne hydrogen-powered mining megatruck.

Er(3+)-TiO(2) synthesized by a surfactant free hydrothermal method exhibits good photoactivities under sun-like excitation for the degradation of phenol. The presence of Er(3+) does not affect the structural and morphological features of the TiO(2) significantly. The best photocatalytic performance was attained for the samples with 2 wt% of Er. Different photocatalytic runs indicated that the i...