HumansBritain's economy thrived after the withdrawal of the Roman Empire An archaeological dig in northern England shows iron and lead processing continued and even increased after the departure of the Romans 51¶¯Âþ
SpaceAsteroid Ryugu once had liquid water flowing through it Samples retrieved from asteroid Ryugu indicate that it once had flowing water in far greater volumes than previously thought possible, suggesting that similar objects may have played a role in delivering vast quantities of water to Earth 51¶¯Âþ