Free iPhone app: https://itunes.apple.com/us/app/mitosis/id348184626?mt=8&uo=4&at=10l6SU
Website: http://www.filamentgames.com/projects/crazy-plant-shop
Paid iPad app: https://itunes.apple.com/us/app/powers-of-minus-ten-bone/id591722396?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/powers-of-minus-ten-bone/id591722396?mt=8&uo=4&at=10l6SU
Website: http://www.discoveryeducation.com/
Website: http://www.youtube.com/schools