It contains 20% of the world's total unfrozen freshwater reserve. Known as the 'Galapagos of Russia', its age and isolation have produced one of the world's richest and most unusual freshwater faunas
Geologically, the Black Forest consists of a cover of sandstone on top of a core of gneiss. During the last glacial period, the Würm glaciation, the Black Forest was covered by glaciers; several cirques such as the Mummelsee are remains of this period.
Believe it or not, it is easy and fun to teach your pet fish to swim through hoops and tunnels, do the limbo, eat from your hand - even play soccer! This is NOT a joke. You can do it yourself, using the new R2 Fish School Training Kit.
On a recent crisp autumn afternoon in Iowa, video cameras captured an unusual and visually dramatic result of two air masses colliding. Clouds split into a series of stripes and swept across the sky.