The presented paper builds on a study presented on the international conference ECEL (Jančaříková, Jančařík, 2016). The ECEL paper has been extended and related to the context of Czech pedagogy and science education. Janik and Stuchlikova…
Frustules – typical shells of diatoms – appear in considerable variability of forms and structures. Because of small dimensions, their characteristic details cannot be observed under an optical microscope without a high-refractive medium.…
Some amphibians are poisonous, they produce toxins to defend themselves against predators or bacterial and fungal pathogens. With exception of certain salamanders (e.g. //Pleurodeles waltl//) and frogs (e.g. //Corythomantis greeningi//, /…