In the Egyptian city of Esna, a highly decorated entrance hall completed during the mid-third century a.d. is the only surviving part of a temple dedicated to the creator god Khnum. Some 100 major ...

Each cell in a plant, animal, or person contains millions, or even billions, of DNA base pairs—molecules connected by hydrogen bonds that are the building blocks of DNA. These base pairs collectively ...

The town of Port Royal is located at the mouth of Kingston Harbour in southeastern Jamaica. It was a major 17th-century English port city. A devastating earthquake in 1692 submerged much of the town ...