While Pierre devoted himself to the physical study of the new radiations, Marie struggled to obtain pure radium in the metallic state. This was achieved with the help of the chemist Andre-Louis Debierne, Pierre's pupil.
Using the opponent’s own power and energy, pupils of Aikido are taught to stifle without injury and to survive against the sticks, swords and even knives.
3D learning tools are proving to be positive for pupils, helping children to knuckle down more according to a new study conducted in schools across Europe.
3D learning tools are proving to be positive for pupils, helping children to knuckle down more according to a new study conducted in schools across Europe.