These crystals of lead iodide formed from a mixture of lead nitrate and potassium iodide. Yiping Zhang, of Xiamen University prepared the fine, flaky crystals by mixing the reagents in boiling water ...

(CNN) — As Russia’s assault in Ukraine intensifies, fear of radioactive fallout from accidental or intentional attacks on Ukraine’s nuclear plants, or from the use of a nuclear bomb, has triggered ...

Potassium iodide (KI) is a salt that can help protect you from radioactive iodine. Your thyroid gland is the part of your body that’s most sensitive to radioactive iodine. Potassium iodide can help ...