When rolled on a moist clay tablet, these engravings left low-relief markings, signifying that the object's owner authorized ...

One of the Mamluk-era tunnels carved into tufa rock at Nahal 'Amal, revealing the sophisticated hydraulic engineering that powered medieval sugar production. (Azriel Yechezkel / A. Frumkin et al., ...

Groundwater replenishing beneath temperate farmland fields may come from very recent rainfall, merely one to two weeks old, ...

In Ethiopia's Western Highlands, the Agaw people are using solar technology to sustainably cultivate their ancestral farmland ...