Five spacecraft from two ESA missions unexpectedly found themselves engulfed by waves of electrical and magnetic energy as they travelled through Earth's night-time shadow on 5 August 2004.
Oxygen depletion in the world's oceans, primarily caused by agricultural run-off and pollution, could spark the development of far more male fish than female, thereby threatening some species with extinction, according to a study published on the Web site of the American Chemical Society journal, Environmental Science & Technology.
The Canadian prairies are facing an unprecedented water crisis due to a combination of climate warming, increase in human activity and historic drought, says new research by the University of Alberta's Dr. David Schindler, one of the world's leading environmental scientists.
