We often think of bias and prejudice as rooted in ignorance. But as psychologist Paul Bloom seeks to show, prejudice is often natural, rational ... even moral. The key, says Bloom, is to understand how our own biases work -- so we can...

Howcast - Baseball card collecting, even if it's just for fun, can become an expensive hobby. Learning the basics is important, or you'll wind up wasting your money.

Equivalent Expressions writes equivalent expressions with variables for word problems by using a visual model.

Write and Solve Equations writes and solves equations to represent real-world problems.

"Subtraction Expressions" explains how to write subtraction algebraic expressions to represent word problems by using variables to describe an unknown number.

"Multiplication Expressions" explains how to write multiplication algebraic expressions to represent word problems by using variables to describe an unknown number.

In this video I go over the worksheet that accompanies German with Puppets Series #2 Episode #2, which can be seen here:    • #2 Present Perfect w/ Regular Verbs (...  <b<br/>r/>

What happens after the "drop"? Hyped hoodies, sneakers, skateboards and watches have created a new generation of entrepreneurs tapping into the secondary market. Learn more about how this will continue to reshape commerce.

Mike Winkelmann, known as “Beeple," discusses the value of both physical and digital art, his new studio, the impact of the “crypto winter” on NFT art and the potential uses of blockchain technology for artists.