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 ...
EdSource · John Fensterwald on what’s at stake for California schools in the 2026 election John Fensterwald on what’s at stake for California schools in the 2026 election April 16, 2026 - EdSource ...
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