There was an error while loading. Please reload this page. System design is often taught through solutions specific to particular domains, such as databases ...

Brazilian wonderkid Estevao’s first Chelsea goal inflicted a third consecutive defeat on Liverpool on Saturday, allowing Arsenal to go top of the Premier League after beating West Ham 2-0. After ...

Chichén Itzá, "the mouth of the well of the Itzás," was likely the most important city in the Yucatán from the 10th to the 12th centuries. Evidence indicates that the site was first settled as early ...

Seventeen decorated caves of the Paleolithic age were inscribed as an extension to the Altamira Cave, inscribed in 1985. The property will now appear on the List as Cave of Altamira and Paleolithic ...