As a subject matter expert in materials science, I can provide you with information on the world's densest material. The density of a material is defined as its mass per unit volume. The densest materials are typically those that have a high atomic number and are packed closely together.

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If you're only including materials found naturally on Earth, the honour goes to the element Osmium, which has a density of 22.61 g/cm3. This is closely followed by Iridium and Platinum, with densities of 22.56 g/cm3 and 21.46 g/cm3 respectively.read more >>