New global maps detail human-caused ocean acidification
A team of scientists has published the most comprehensive picture yet of how acidity levels vary across the world's oceans, providing a benchmark for years to come as enormous amounts of human-caused carbon ...
How rodents bulk up for winter without going nuts
When Arctic ground squirrels need to bulk up for winter, they get a boost from an enormous spike in the levels of steroids in their blood. So why doesn't it lead to 'roid rage?
UN climate report offers stark warnings, hope (Update)
Climate change is happening, it's almost entirely man's fault and limiting its impacts may require reducing greenhouse gas emissions to zero this century, the U.N.'s panel on climate science said Sunday.
Melting ice cap opening shipping lanes and creating conflict among nations
It's July and a cargo ship, laden with some 70,000 tons of coal, is slowly wending its way from Russia to China across the top of the world. This ship is functional, not beautiful; it's longer than two football ...
Bundle up: It's freezing or below in all 50 states
Baby, it's cold outside, no matter what part of the United States you're in.
New research explores scent communication in polar bears
New research indicates that scent associated with polar bear paws conveys information that may affect the animals' social and reproductive behavior. This chemical form of communication was likely shaped by ...