A variety of clues can tip off archaeologists about a promising spot for excavation.
Archaeologists used to dig primarily at sites that were easy to find thanks to obvious visual clues. But technology – and listening to local people – plays a much bigger role now.
The orientations of the stone walls that crisscross the Northeastern U.S. can tell a geomagnetic tale as well as a historical one.
Scientific inspiration struck a geologist after many walks through the woods in New York and New England. These ruins hold the secret of where the compass pointed north when they were built centuries ago.
An aerial view, using drones, could make a big difference to mapping land across Africa.
Creating a reliable, up to date land register is important for African countries. Drones can help collect and record the necessary data.
All Australians involved in property transactions will likely be dealing with privatised land title offices in future.
The way land titles are issued, bought and sold will soon be very different, thanks to privatisation and technology.