But cleverness is hard to define - animals have to contend with different challenges in life and what might be clever or ...

Explore the bimetallic standard, a monetary system where governments accept gold and silver coins as legal tender, providing ...

Explore how the crowding-out and multiplier effects impact government stimulus spending. Learn which theory better stimulates ...

Operant conditioning uses rewards and punishments to change behaviors. Positive reinforcement and negative reinforcement increase the chance of a behavior happening again. Operant conditioning can ...

This ranking of the 21 greatest violin concertos of all time aims to capture the breadth and brilliance of the genre. Some choices are obvious mainstays: Brahms’s noble and muscular work, Bartók’s ...