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Geochemical Method Finds Links Between Terrestrial Climate and Atmospheric Carbon Dioxide
April 22, 2013 — Scientists used a new chemical technique to measure the change in terrestrial temperature associated with a major shift in global atmospheric CO2 concentrations nearly 34 million years ago. Their ... > full story -
Rivers Act as 'Horizontal Cooling Towers' for Power Plants, Study Finds
April 22, 2013 — Running two computer models in tandem, scientists have detailed for the first time how thermoelectric power plants interact with climate, hydrology, and aquatic ecosystems throughout the northeastern ... > full story -
Grains of Sand from Ancient Supernova Found in Meteorites: Supernova May Have Been the One That Triggered the Formation of the Solar System
April 22, 2013 — Scientists have discovered two tiny grains of silica (SiO2; the most common constituent of sand) in meteorites that fell to earth in Antarctica. Because of their isotopic composition these two grains ... > full story -
Earth's Current Warmth Not Seen in the Last 1,400 Years or More, Says Study
April 22, 2013 — Fueled by industrial greenhouse gas emissions, Earth's climate warmed more between 1971 and 2000 than during any other three-decade interval in the last 1,400 years, according to new regional ... > full story -
Ant Family Tree Constructed: Confirms Date of Evolutionary Origin, Underscores Importance of Neotropics
April 22, 2013 — Several hypotheses have been proposed to explain the higher species numbers in the tropics, but these hypotheses have never been tested for the ants, which are one of the most ecologically and ... > full story -
First 2,000-Year-Long Temperature Reconstructions for Individual Continents
April 21, 2013 — Past climate change varied remarkably between regions. This is demonstrated in a new study coordinated by the international Past Global Changes (PAGES) project, which reconstructed temperature over ... > full story -
After Major Earthquake: A Global Murmur, Then Unusual Silence
April 19, 2013 — In the global aftershock zone that followed the major April 2012 Indian Ocean earthquake, seismologists noticed an unusual pattern -- period of quiet, without a large quake. Why did this period of ... > full story -
Measuring the Hazards of Global Aftershock
April 19, 2013 — The entire world becomes an aftershock zone after a massive magnitude (M) 7 or larger earthquake -- but what hazard does this pose around the ... > full story -
Ocean Acidification as a Hearing Aid for Fish?
April 19, 2013 — Scientists report stunning new insight into the potential effects of acidification on the sensory function of larval cobia. The study is the first to use micro-CT technology to examine otoliths while ... > full story -
New Carnivorous Dinosaur from Madagascar Raises More Questions Than It Answers
April 18, 2013 — The first new dinosaur named from Madagascar in nearly a decade, Dahalokely tokana was a carnivore measuring 9-14 feet long. Its fossils were found in 90-million-year-old rocks of northernmost ... > full story
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