Health & Fitness
The world could be facing a sand crisis. A new study looks for solutions; World's first nuclear detonation forged the first human-made quasicrystal; Voyager 1 picks up the the ‘hum’ of of interstellar space; Animals can breathe through their butts and oxygen up the wazoo may work for humans too; Dethroning our old toilets. A new book looks at the environmental revolution in toilet tech; What evidence for dark matter has been found in the Milky Way?