With this Collection, the editors invite manuscripts highlighting advances in nonlinear optical techniques to reveal and manipulate electronic, lattice, and spin dynamics far from equilibrium. In this ...

Objective To evaluate systematic reviews of randomised controlled trials (RCTs) on the effects of exercise on general cognition, memory and executive function across all populations and ages. Methods ...

Objective To synthesise the evidence on the effects of physical activity on symptoms of depression, anxiety and psychological distress in adult populations. Design Umbrella review. Data sources Twelve ...