Explore "Agent Orange": its definition, etymology rooted in color-coded drums, real-world examples, and profound historical impact. Understand this complex term's significance.

Explore "active travel"—its meaning, definition, and origin. Uncover real-world examples and its growing importance in sustainable living and urban planning.

Styrofoam, a lightweight, versatile plastic foam, has revolutionized industries from packaging to construction. Learn about its history, composition, and environmental impact.