Aisha Yu

Geology Volcanoes in South Africa: One Active, the Rest Extinct Here’s the short version most people get wrong: South Africa has exactly one active volcano, and it isn’t… June 5, 2026

Geography Are There Volcanoes in Lithuania? The Honest Answer No. Lithuania has no volcanoes — not active, not dormant, not even an eroded extinct one poking out… June 5, 2026

Earth Science Rare Earth Elements-Producing Countries: Who Makes What Table of contents TL;DR China is the biggest rare earth elements-producing country by a wide margin, and it… April 11, 2026

Geography Examples of Fold Mountains Around the World Fold mountains are mountain ranges formed when tectonic plates collide and compress layers of rock into long ridges… April 10, 2026

Travel Caves in Dominica: Best Ones to Visit and How to See Them Dominica doesn’t do “easy pretty island” the way some Caribbean destinations do. It’s the Nature Island, which means… April 10, 2026

Science Natural Resources in California California’s natural resources are a weirdly dramatic mix of abundance and shortage. The state has vast farmland, major… April 8, 2026

Geography Natural Resources of Haiti: What the Country Has, and What It Lacks Table of contents TLDR Haiti does have natural resources, but not the kind that make for an easy… April 7, 2026

Geology Igneous Rocks Explained: How They Form and Why They Matter Table of contents TL;DR Igneous rocks are rocks that form when molten material cools and hardens. If that… April 6, 2026

Disasters Man-Made Disasters: The Complete List This definitive, well-researched list presents 46 Examples of Man-made Disasters across history — from industrial explosions and oil… March 13, 2026

Mineralogy The Complete List of Minerals in Pennsylvania This comprehensive guide lists all 39 minerals found in Pennsylvania, organized by class, Mohs hardness, and common localities… March 13, 2026