Graph-Theoretic Concepts in Computer Science - Henning Fernau & Philipp Kindermann

Environmental Contaminants and Health - Shakir Ali & Abdelazim Negm

The Antigravity Enigma - Andrew May

The Natural History of Glyptodonts - Carlos Adrián Quintana

The Guinea Fowl (Numida meleagris) - José del Moral de la Vega & Jerónimo del Moral Martínez

Inner Peripheries in the New Conditions of Cohesion Post-SARS-CoV-2 - Paweł Churski, Czesław Adamiak, Anna Dubownik, Maciej Pietrzykowski & Barbara Szyda