PhysicsA super-thin slice of wood can be used to turn saltwater drinkable Most ways to purify saltwater take up a lot of energy, but simply running seawater through a thin, heated slice of porous wood can render it fresh and drinkable News
EarthScientists chasing waterfalls discovered something they aren't used to We often think waterfalls indicate ancient tectonic or glacial activity – but it turns out they can form all by themselves without these external influences News