Fuel dumping is one of the more arcane arts of travel hacking; it involves configurations of flight legs which cause the fuel surcharges normally associated with an itinerary to «drop off,» leave only the (usually much lower) base fare in place. (freequentflyerbook.com)
This made this rather arcane art form into a new discovery - based science, the goal of which was to discover phylogeny, or what Darwin called the «tree of life,» in all its details. (discovermagazine.com)
It's a really arcane art sometimes, getting one's head around the best way to use airmiles, so it's good to find posts like this which lay it all out. (theglobetrottingteacher.com)