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New Emissions Standards Would Fuel Shift from Coal to Natural Gas
April 5, 2013 — Tougher EPA air-quality standards could spur an increased shift away from coal and toward natural gas for electricity generation, according to a new study. Complying with stricter regulations on ... > full story -
How Life May Have First Emerged on Earth: Foldable Proteins in a High-Salt Environment
April 5, 2013 — Scientists may be a step closer to understanding how life first emerged on Earth billions of years ago. Researchers have produced data supporting the idea that 10 amino acids believed to exist on ... > full story -
Discovery of 1,800-Year-Old 'Rosetta Stone' for Tropical Ice Cores
April 4, 2013 — Scientists report a set of ice cores from Quelccaya Ice Cap in Peru which can serve as a "Rosetta Stone" for studying other ice cores from around the ... > full story -
A Comet, Not an Asteroid, May Have Killed the Dinosaurs, Experts Propose
April 4, 2013 — In a geological moment about 66 million years ago, something killed off almost all the dinosaurs and some 70 percent of all other species living on Earth. Only those dinosaurs related to birds appear ... > full story -
Origin of Life: Power Behind Primordial Soup Discovered
April 4, 2013 — Researchers may have solved a key puzzle about how objects from space could have kindled life on ... > full story -
NASA Flies Radar South on Wide-Ranging Expedition
April 4, 2013 — A versatile NASA airborne imaging radar system is showcasing its broad scientific prowess for studying our home planet during a month-long expedition over the Americas. The campaign is addressing a ... > full story -
A Model Predicts That the World's Populations Will Stop Growing in 2050
April 4, 2013 — Global population data spanning the years from 1900 to 2010 have enabled a research team to predict that the number of people on Earth will stabilize around the middle of the ... > full story -
Rocky Mountains Originated from Previously Unknown Oceanic Plate
April 3, 2013 — The mountain ranges of the North American Cordillera are made up of dozens of distinct crustal blocks. A new study clarifies their mode of origin and identifies a previously unknown oceanic plate ... > full story -
Environmental Policies Matter for Growing Megacities
April 3, 2013 — A new study shows clean-air regulations have dramatically reduced acid rain in the United States, Europe, Japan and South Korea over the past 30 years, but the opposite is true in fast-growing East ... > full story -
Thin Clouds Drove Greenland's Record-Breaking 2012 Ice Melt
April 3, 2013 — If the sheet of ice covering Greenland were to melt in its entirety tomorrow, global sea levels would rise by 24 feet. Three million cubic kilometers of ice won't wash into the ocean overnight, but ... > full story
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