The CIA has released aerial photography confirming the location of Bin Laden's Abbottabad mansion, as well as diagrams (via Ogle Earth). Since last summer they had suspected the residence of an ...

Regarding the ex-polar lands, compound hot-dry extremes prevail due to active land–atmosphere interactions. Specifically, a mid-tropospheric ridge initiates descending motions, creating clear-sky ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...