While they produced a limited amount of light when first introduced, light-emitting diode (LED) lights offered the benefit of rarely burning out. As a result, they were initially used primarily as indicator lights. Advances in the technology have made available LEDs that produce far brighter light, and one application that has come to market is…

Teaching thinking skills has been characterised by the teacher-directed "embedded", "infusion" and "bolt-on" approaches, for which outcomes have been mixed. Peer tutoring in thinking skills offers a fourth way of wide applicability. This study evaluated such a method (Paired Thinking) in a high school setting. A…