Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, mathematicians have wondered if the prime numbers are truly random, or if ...

Profitable Customer Value (PCV) refers to how much profit your customers generate due to marketing. This is the measurable ...

It’s time to rethink Bloom’s ladder. Learning is mastery, made observable in the ways students act, adapt, and solve problems ...

Eukaryotes are organisms whose cells contain a nucleus. From protozoa to human beings, all have the same basic biological mechanism for building, maintaining, and propagating their form of life: a ...