Biology 25 Examples of Invasive Species and How They Spread A species is non-native if people moved it somewhere it didn’t evolve. It’s invasive when it then spreads… October 3, 2026

History of Science 16 Famous Scientists Born in June, by Birthday June gave the world a steam-engine theorist, the person who proved light is an electromagnetic wave, the woman… October 2, 2026

Wildlife Endemic Species of São Tomé and Príncipe: A Field Guide Contents The endemic species of São Tomé and Príncipe include around 27 birds packed into roughly 1,000 km²… October 2, 2026

Biology Endemic Species of Haiti: Wildlife Found Nowhere Else Haiti covers the western third of Hispaniola, and it is one of the most biologically distinctive countries in… October 2, 2026

Biology Examples of Mollusks: Clams, Snails, Squid and More Mollusks are soft-bodied invertebrates, and the examples you already know are clams, snails, squid and octopus. Oysters, mussels,… October 2, 2026

Chemistry Vanadium Isotopes: 2 Natural, 1 Barely Radioactive TLDR Contents How many isotopes does vanadium have? Vanadium has 26 known isotopes, ranging from 43V to 68V.… October 2, 2026

Biology Endemic Plants of Luxembourg: None, But Here’s What’s Rare TLDR Luxembourg has essentially no true endemic vascular plants. No species grows here and nowhere else. What the… October 2, 2026

Geology Volcanoes in Arizona: Where They Are and If They’ll Erupt Contents TLDR Arizona has thousands of extinct volcanoes, three geologically young volcanic fields, and no volcano erupting today.… October 2, 2026

Botany Endemic Plants of Montana: 10 Species Found Nowhere Else Table of Contents Endemic, Native, Regional Endemic: Get the Words Right Search “endemic plants of Montana” and most… September 29, 2026

Chemistry Van der Waals Forces Explained: Why Weak Bonds Matter A gecko can hang from a pane of glass by one toe. No suction, no glue, no static… September 29, 2026