Early typewriters frequently jammed. When letters were typed in rapid succession, they sometimes stuck together.

The QWERTY layout was invented in 1878 as a response to this problem. The layout has stuck ever since. With the transition from typewriters to personal computer...

Déjà vu can be explained in terms of our memory:

• Single Event Familiarity: When one element is familiar but other elements are not.

• Gestalt Familiarity...

In 2018, psychologist Scott Barry Kaufman, from Columbia University, published a study that updated Maslow’s work with modern statistical methods and proposed 10 specific characteristics that are shared by self-actualized people.

Kaufman updated Maslow’s me...