Earth
- Earth
Rivers run to it
Increasing freshwater discharges into Arctic waters could disrupt important patterns of deep-water ocean circulation that affect climate.
- Earth
Hawaii’s Hated Frogs
Wildlife officials in Hawaii are investigating unconventional pesticides to eradicate invasive frogs—or at least to check their advance.
- Earth
Sulfur Studies: Early Earth’s air was oxygen-poor
Analyses of ancient sulfide minerals and the modern organisms that create sulfides are giving scientists a better idea of what Earth's atmosphere and oceans may have been like billions of years ago.
- Earth
Mapping with GRACE
Global gravity maps compiled from data painstakingly gathered during the last 30 years have now been rendered obsolete by a pair of satellites that were launched just last March.
- Earth
Mercurial Effects of Fish-Rich Diets
In the spring of 2000, one of Jane M. Hightower’s patients had been concerned about hair loss, so the internist referred the woman to a specialist in her building. That dermatologist probed the woman’s medical history but could find no explanation. That is, until she suddenly recalled a radio broadcast about mercury poisoning in people […]
- Earth
Life at the Frigid Edge: Microbes turn up deep in Antarctic lake ice
A pocket of cold, concentrated saltwater at the bottom of an Antarctic lake could harbor life, say researchers who found microbes in the ice right above the briny layer.
- Earth
Life at the Frigid Edge: Microbes turn up deep in Antarctic lake ice
A pocket of cold, concentrated saltwater at the bottom of an Antarctic lake could harbor life, say researchers who found microbes in the ice right above the briny layer.
- Earth
Toppling icebergs sped breakup of Larsen B ice shelf
Scientists now think they know what accelerated the rapid disintegration of most of Antarctica's Larsen B ice shelf early this year after a strong summer storm pummeled the region.
- Earth
Toppling icebergs sped breakup of Larsen B ice shelf
Scientists now think they know what accelerated the rapid disintegration of most of Antarctica's Larsen B ice shelf early this year after a strong summer storm pummeled the region.
- Earth
Contrails forecast on the horizon
Studies of the contrails generated by jets flying high over Alaska may lead to improved techniques for predicting the formation of the artificial clouds, which some scientists suggest have a warming effect on Earth's climate.
- Earth
Contrails forecast on the horizon
Studies of the contrails generated by jets flying high over Alaska may lead to improved techniques for predicting the formation of the artificial clouds, which some scientists suggest have a warming effect on Earth's climate.
- Earth
Warm arctic summer melted much ice
Satellite observations of the Arctic Ocean show that the amount of sea ice there this year was the lowest it's been in more than 20 years.
