High above the North Pole, there is a region with low pressure and cold air known as the Polar Vortex. Apparently, this region is formed every winter as sunlight continues to fade into the Arctic.

South Africa faces the reality of serious skills shortages in healthcare. There are many reasons, which need no repetition here. What needs more attention is the parallel ...

Oceans cover most of Earth's surface and support a staggering number of lifeforms, but they're also home to a dilute population of uranium ions. And -- if we can get these particular ions out of the ...