A team of scientists in Australia is developing aerial drones - small, unmanned aircraft - to track the movements of what's expected to be an unusually large plague of locusts this year.
Steam catapults aren't good for launching small aircraft like unmanned drones that are rapidly taking up a larger share of the military's aerial Arsenal.
An aerial view of Kane Basin (which is just south of Petermann glacier) on the north west coast of Greenland, showing a small iceberg floating in the water.