Firesaws are nowadays only known as a traditional fire making method at Pacific Islands. In Australia these methods were replaced by friction fire hand drills and later – under Western influences – by bow drills. Nevertheless, fire sawing is an…

The Greenthorn tree (Balanites maughamii) is easily recognizable in Southern Africa due to its triangular, fluted or buttressed trunk. Its spines are green like its twigs and often forked. It is very spiny and hard to climb. It mainly grows…