Category science

Scientists Say: Sundog

Sundog (noun, Suhn Dahg) Sundogs are bright flares of light that can appear on either side of the sun in the sky. They form when incoming sunlight bends, or refracts off tiny, prism-shaped ice crystals in the atmosphere.  Because of…

As the climate warms, polar bears are facing more germs

Polar bears are facing more and more challenges as the climate warms. Most of these problems relate to the bears’ waning wintery habitats. But increasingly, they also may be infected with germs and parasites, a new study finds. Compared to…

To clear loops, Sonic the Hedgehog must hit the right speed

Sonic isn’t your typical hedgehog. He boasts incredible superspeed that lets him launch off springs, sprint over water and even clear loop-de-loops. In the Sonic the Hedgehog games, our favorite blue hedgehog runs through these loops to complete levels. If…