Abstract: Contribution: This study identifies the types of interaction that contribute to student learning with student-led tutorials (SLTs). The quality of these interactions include peer discussion, ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

The Light Bowgun can fire ammunition by hitting or holding R2 (RT). You can change your ammo type by holding L1 (LB) and hitting either Triangle (Y) or X (A) to cycle through your available ammo types ...