Figure 1: Observed and modelled secular variation. Figure 2: Map of annual difference of the second time derivative of the vertical component for epoch 2003.5. High-resolution core magnetic-field ...

You've done crunches and situps and V-Ups for your abs before. But how often do you twist with them, and how often do you use them to stabilize your entire torso? For many, that's the forgotten part ...

I’ll never forget my first yoga class. I was at university, desperately in search of some calm, and emerged with abs on fire after a flow that centred around my newly acquainted enemy: Navasana (boat ...