According to research by the author of Playful Interactions Dr. Karyn Purvis, scientists have determined that it takes approximately 400 repetitions to create a new synapse in the brain — unless it’s ...

Children often struggle to memorize multiplication facts, as Hechinger reported, but research suggests it may be worth the effort. Cognitive scientists say that learning your times tables by heart ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...