What do the following items have in common: the Declaration of Independence, Da Vinci’s notebooks, Bach’s musical scores, Rembrandt’s drawings, Shakespeare’s plays, and the Magna Carta? Give up? These ...

Other oak species are also apparently appealing to gall-making insects (and arachnids like mites), and there’s no shortage of types of gall, some of which you may have heard called “oak apples.” Iron ...

Bring history to life through biology and chemistry as you make iron oak gall ink like Leonardo da Vinci did. Students will listen to explorers (both historical and present-day) describe their ...