GK Express — Sunday Edition A calm pause to reflect, observe, and grow 🌱 Sunday Thought “Knowing yourself is the beginning of all wisdom.” — Aristotle 📅 Weekly Recap (Key Topics) 1. Heavy Water: Heavy water means water that contains heavy hydrogen instead of normal hydrogen. Normal water = H₂O (hydrogen + oxygen) Heavy water = D₂O (deuterium + oxygen) Deuterium (D) is a heavy form of hydrogen (it has one extra neutron). 2. One District One Product Program: One District One Product (ODOP) is a government programme where each district is identified with one special product and that product is promoted for jobs, income, and exports. Examples: Kanchipuram (TN) → Silk Sarees Moradabad (UP) → Brassware Malappuram (Kerala) → Handloom products Darjeeling (WB) → Tea 👀 Around Us, But Ignored Why do milestones on Indian roads have different colors? Have you noti...