In 1960 there were 12,000 bison in the Park. Today there are only 2,400. For two decades and counting, with a growing mix of fascination and concern, scientists have been measuring big changes in the environment around the North Pole. Now scientists are intensifying their efforts to determine the causes of the changes and the potential consequences. NY Times Meteorite disappoints scientists Sandra Pizzarello from Arizona State University now says that the meteorite found near Tagish Lake in Yukon last year does not contain many of the building blocks of life she was hoping to find.
Meteorites are fragments of meteors that have fallen to Earth without burning up in the atmosphere.
The recent tracking of high-energy neutrinos deep within the Antarctic ice, has given scientists behind a upcoming similar project hopes off usefull results. Background Digest readers draw crude conclusions Diet-based estimates of the health and environmental impact of the walrus could be skewed. Conservationists peering at stomach contents, do not get an accurate picture of walrus diet because the mammals digest different parts of their dinner at different rates, a new study suggests. Nature Scientists learn 'fishy' language Norwegian scientists are examining the language of fish in order to use the information in the development of new socalled selective harvesting methods. The new methods can make it possible for fishermen just to catch the kind of fish they search for.