New theory on how six‑tonne Stonehenge rock was transported from Scotland thousands of years ago – on a glacier
Read More 5 minute read Math and the Sciences Iron nanoparticles can help treat contaminated water – our team of scientists created them out of expired supplements Scientists used pharmaceutical waste to create a new material with interesting properties. Mitrija/iStock via Getty Images Ahmed Ibrahim… byAhmed Ibrahim YunusAugust 11, 2025