This is a multiple-choice and text entry test on the definition of logarithms.

Night sky at Athabasca with Athabasca University Robotic Telescope in foreground.

We have developed a nonlinear fitting routine for the Harris current sheet based on magnetic data, and applied it to 71 plasma sheet crossings by Cluster. In most cases this simple fit appeared to represent the magnetic ...

"what the world needs now is a good $500 magnetometer"

In the prairie ecozone of Alberta and Saskatchewan, 356 species of spiders in 2 I families have been collected. The 10 families with the most species were Linyphiidae (30%), Gnaphosidae (13%), Salticidae (8%), Theridiidae ...