Easier to find from the air (Image: Marco Di Lauro/Getty)
THIS is not your average pet cemetery. The elephants, zebras and buffalo buried in a Canadian safari park are notable for more than their size: they are also yielding new methods for detecting mass graves from the air. The technique, which searches for signs of chemical changes in the vegetation growing on grave sites, could ultimately help police and human rights investigators locate human remains years after the bodies have been disposed of.
Known as hyperspectral imaging, the technique analyses a range of visible and infrared wavelengths as its scans…
