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Posts by
Editors of EarthSky
Why does the sun rise due east and set due west at the equinox?
At the equinox, the sun is on the celestial equator. And the celestial equator intersects all of our horizons at points due east and due west.
September 22, 2013
Wired microbes turn sewage into electricity
A new way to generate electricity from sewage uses naturally occurring “wired microbes” as mini power plants to produce electricity as they digest plant and animal waste.
September 20, 2013
New rat genus discovered in the birthplace of the theory of evolution
A prominent tuft of spiny hair on the back, a white tail tip and three pairs of teats represent the unique set of characteristics describing a new genus of rat which has been discovered in the Moluccan province of Indonesia.
September 20, 2013
As ocean warms, Antarctica’s Pine Island Glacier thaws
“I think it is fair to say that the largest potential sea level rise signal in the next century is going to come from this area.” - Martin Truffer
September 19, 2013
What is Earth’s habitable lifetime?
Habitable conditions on Earth will be possible for at least another 1.75 billion years, according to astrobiologists at the University of East Anglia.
September 19, 2013
How birds got their wings
Birds split from dinosaurs when their front limbs got longer and their back limbs got shorter, according to new research.
September 18, 2013
Today’s worst watershed stresses may become the new normal
“By midcentury, we expect to see less reliable surface water supplies in several regions of the United States,” said the study’s lead author, Kristen Averyt.
September 18, 2013
Where does imagination happen in our brains?
The answer, researchers suggest, lies in a widespread neural network - the brain's "mental workspace" - that consciously manipulates images, symbols, ideas and theories .
September 18, 2013
Heavily logged forests still valuable for tropical wildlife
New findings challenge a long-held belief that there is limited, if any, value of heavily logged forests for conservation.
September 17, 2013
Quitting Facebook: What’s behind the trend to leave social networks?
A social networking counter movement is emerging, and Facebook quitters, who remove their accounts, differ from Facebook users in several key ways.
September 17, 2013
