The Happy Scientist http://thehappyscientist.com/who-happy-scientist Subscribe to have full access to photos, videos, experiments.
Peterson Field Guides http://www.hmhbooks.com/peterson/ Video podcasts with paintings, photos and sound recordings of birds.
Diving Guide Mediterranean Marine Life http://www.elitedivingagency.com/store/mediterranean-sea-life-guide/
Biology, Forensics, Chemistry, lab equipment https://www.boreal.com/
Science Videos: http://richannel.org/christmas-lectures
Physics Central: http://www.physicscentral.com/ Physics Comic books to read on line - And physics science kits with teachers manuals: http://www.physicscentral.com/experiment/physicsquest/index.cfm
Astronomy for Beginners Course https://www.udemy.com/astronomy-state-of-the-art/
Astronomy Photo of the Day http://apod.nasa.gov/apod/astropix.html
Sky and Telescope http://www.skyandtelescope.com/
Astronomy for Beginners http://www.astronomyforbeginners.com/