Terry Moore: Why is ‘x’ the unknown?
Terry Jones provides the answer why the letter ‘x’ is used to represent the unknown.
Kelly McGonigal: The Science of Willpower
Kelly McGonigal from Stanford University talks about how self-control works at TEDxBayArea.
Found at IntegralOptions.
Kory Stamper: What Ironic Really Means
As part of the "Merriam-Webster Ask the Editor" series, Kory Stamper explains the meaning of ‘ironic’.