1000 Hours Outside
In "Smart Moves, Why Learning is Not All in Your Head", Carla Hannaford writes,
"In Denmark, fifty percent of the children spend between ages two and a half and six in Forest Kindergartens where they climb rocks, trees, hills, roll, jump, balance and play at least four hours a day no matter the weather. These children's vestibular systems are so well developed that learning difficulties and dyslexia are rare."