New theory on how six‑tonne Stonehenge rock was transported from Scotland thousands of years ago – on a glacier
Read More 4 minute read Math and the Sciences Space How could we detect atom-sized primordial black holes? Artist’s rendition of a concentration of small black holes in the centre of the galaxy NGC 6397. ESA/Hubble,… byOscar de Barco NovilloFebruary 27, 2023