More than 2,000 years ago, Greek artisans built a compact machine of interlocking gears that could track the heavens with a ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

The ingenuity of the construction techniques used by Greek builders 2,000 years ago continues to dazzle the world. What did these ancient engineers get right? And how does looking to the past help ...

Aerial view of the temple of Venus located in the archaeological park of Baia, a hamlet of Bacoli, in the metropolitan city of Naples, in Campania, Italy. It was an octagonal thermal building, with ...

THIS is an English edition of a book published in America, and contains the outcome of six lectures delivered at the Cooper Union in New York, under the auspices of Columbia University. The first part ...

Rain seldom falls on the desert lowlands of coastal Peru, so people in the area have always depended on the water that flows down from the Andes during the rainy season. But streams in this part of ...

Cyanobacteria are single-celled organisms that derive energy from light, using photosynthesis to convert atmospheric carbon dioxide (CO 2) and liquid water (H 2 O) into breathable oxygen and the ...