Snow takes up airborne particulate matter and alters the concentrations of different nanoparticles, the smallest particles found in air pollution. Credit: © amyinlondon / Fotolia With spring finally here and warmer temperatures just around the corner, snow will slowly melt away,...
Living Ginkgo leaf (left) and fossil (right). Density of stomata in such leaves is proxy of atmospheric CO2 in past. Credit: Dana Royer New research led by the University of Southampton suggests that, over the next 100 to 200 years, carbon...
A collection of Clovis point replicas and casts in the archaeology lab at Kent State University. Credit: Kent State University Approximately 13,500 years after nomadic Clovis hunters crossed the frozen land bridge from Asia to North America, researchers are still asking...
Credit: Griffith University The Australian Research Centre for Human Evolution (ARCHE) team, based in Griffith's Environmental Futures Research Institute, together with Indonesian colleagues, have shed new light on 'Ice Age' human culture and symbolism in a paper published today in Proceedings...
Credit: Thomas Carr A team of researchers, including UNM Honors College Professor Jason R. Moore, has found a new species of tyrannosaur dinosaur -- the most popular of the prehistoric creatures. After the fossils were pulled out of the muddy banks...
This visualization is the first global tomographic model constructed based on adjoint tomography, an iterative full-waveform inversion technique. The model is a result of data from 253 earthquakes and 15 conjugate gradient iterations with transverse isotropy confined to the...
On the left is an image of the global circulation pattern on a normal day. On the right is the image of the global circulation pattern when extreme weather occurs. The pattern on the right shows extreme patterns of...
Solar panels. Credit: © Ezume Images / Fotolia On the eve of this year's Earth hour (25 March), researchers propose a solution in the journal Science (24 March) for the global economy to rapidly reduce carbon emissions. The authors argue a...
Arctic sea ice hit a record low wintertime maximum extent in 2017. At 5.57 million square miles, it is the lowest maximum extent in the satellite record, and 455,600 square miles below the 1981 to 2010 average maximum extent. Credit:...
Amazon river mouth. Credit: ESA Researchers from the University of Amsterdam (UvA) and the University of Brasilia (Brazil) have determined the age of the formation of the Amazon River at 9.4 to 9 million years ago (Ma) with data that convincingly...
William Foster in the field pointing to the late Permian mass extinction horizon. Credit: Richard Twitchett; CCAL Biotic crises during the Triassic period may have delayed marine recovery after a mass extinction during the late Permian, according to a study published...