Egypt, third millennium b.c. The Great Pyramid of Giza is both the oldest of the Seven Wonders and the only one still standing. Built by the pharaoh Khufu (reigned ca. 2551–2528 b.c.) to serve as his ...

Steep rise in empty homes is 'a catastrophe' Men’s lazy habit fueling millennial "dating crisis" revealed Dulles was supposed to be the airport of the future. So why does everyone, including Trump, ...

From Estonia to Antarctica, this once-pagan symbol has taken on many strange forms. In December 1848, an illustration showed Queen Victoria, Prince Albert, and their children admiring a Christmas tree ...

Standardizing structural isomeric relationships and evaluating their distribution in chemical space remain significant challenges in cheminformatics. Here, the authors propose a molecular ...