Learn about currency substitution, its types, benefits, and potential risks, and why some countries use foreign currencies for extra stability and economic advantage.

Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points. Learn about graphs of trigonometric functions in this National 5 Maths guide.

Discover the iterated prisoner's dilemma, its strategies, examples, and impact on cooperation, providing insights into human ...

Classical conditioning is a way to learn using unconscious associations. Pavlov discovered classical conditioning when dogs started to salivate at the sound of a bell before they got food. The ...