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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 -
Earth Is 'Lazy' When Forming Faults Like Those Near San Andreas
April 3, 2013 — Some geoscientists have taken an uncommon, “Earth is lazy” approach to modeling fault development in the crust and it is providing new insights into how faults grow. In particular, this ... > full story -
Can Synthetic Biology Save Wildlife? From Re-Creating Extinct Species to the Risk of Genetically Modified Super-Species
April 2, 2013 — What effects will the rapidly growing field of synthetic biology have on the conservation of nature? The ecological and ethical challenges stemming from this question will require a new and ... > full story
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