Image credits

Most subject-card images on the home page are Dr John Elfick's own photographs and diagrams, taken from the lessons themselves: the iron-atom ring (Chemistry), Wimshurst machine (Physics), pitcher plants (Biology), coconut palm (Agriculture), colours in mica (Geology), orrery (Astronomy), and blood cells (Human physiology). These remain © Dr John Elfick.

The remaining decorative imagery comes from public-domain or CC0 sources:

Image	Source	License
Primary science card — heath fritillary butterfly plate	Swallowtail Garden Seeds via Flickr	Public domain