Naija Gist - Latest: Did you know the Ukrainians decorate their Christmas trees with spiderwebs?
Whether tucked into the corners of a haunted house or shining with drops of morning dew between tree branches, spider webs are homes to the eight-legged critters. Like some species in the animal ...
WRAL: A New Spider Family Tree Tries to Untangle the Evolution of Webs
A New Spider Family Tree Tries to Untangle the Evolution of Webs
Unlike Nigeria and the rest of the world, Ukraine adds—what many would call—an unusual practice to their Christmas celebrations. These aren't literal spiderwebs spun by arachnids, but rather ornaments ...
AOL: 5 Types Of Spider Webs You Actually Want In Your Yard
Spider webs present an intriguing challenge to evolutionary biologists. These finely honed death traps come in many forms, from the trampoline-like construction of the sheet web spider, to the ...
Interior Alaskan forests have only six native tree species: white spruce, black spruce, quaking aspen, balsam poplar, larch (tamarack) and paper birch. Northern Canadian forests have all of those, plus jack pine, balsam fir and lodgepole pine. Since northern Canada and interior Alaska share the same grueling climate and extremes of daylength, why are the Canadian tree species absent from ...
It is common for people in interior Alaska and corresponding areas of northwestern Canada to use the name cottonwood when referring to one widespread variety of deciduous tree.
A tree's age can be easily determined by counting its growth rings, as any Boy or Girl Scout knows. Annually, the tree adds new layers of wood which thicken during the growing season and thin during the winter. These annual growth rings are easily discernible (and countable) in cross-sections of the tree's trunk. In good growing years, when sunlight and rainfall are plentiful, the growth rings ...