They say elephants never forget, but why exactly is that? Find out with this enlightening video as it explains the neuroscience behind the amazing intelligence of these giant mammals.

Brief video [1:28] on fixed versus growth mindset in which the latter espouse brain growth and variable intelligence based on learing and experience.

Crash Course Psychology video on Brains vs Bias in which Hank Green looks at bias affecting intelligence and ability tests. [11:03]

Crash Course video in which host Hank Green delves into the controversy surrounding intelligence asking what intelligence is and how can it be defined or assessed. [12:38]

Khan Academy is on a mission to unlock the world's potential. Most people think their intelligence is fixed. The science says it's not. It starts with knowing you can learn anything. Join the movement here. [1:30]