Yellowstone ecosystem may lose key migrant
...6) A mammal that embarks on the longest remaining overland migration in the continental United States could v...s used the same corridor for so long, unlike other overland migrants, such as caribou, which often change routes from year to year. While pronghorn are abundan...Is there a pilot in the insect?
...researchers obtained these results by modeling the overland flight navigation of insects using experiments carried out on OCTAVE, a captive flying robot microhelicopter that can reproduce much of the mysterious natural insect behavior. Their work is published online in Current Biology, February 8, 2007. How......le would repeat. The huge volumes of water swept overland from present-day Spokane to the Tri-Cities, creating a distinct geological region known as the Channeled Scablands. The only outlet for this tremendous outpouring was a southern ridge-opening called Wallula Gap. But Wallula Gap was too narrow to hand...