Visualization of situation around 3700 BCE. Credit: Magistrat der Stadt Hofheim; LEIZA-Leibniz-Zentrum für Archäologie, Architectura Virtualis 2020 www.leiza.de/kapellenberg Since the end of the last Ice Age, growth of the human population has been far from uniform, marked instead by periods of rapid expansion followed by sharp declines. The reasons behind these fluctuations remain only partially … Read more
Credit: Pixabay/CC0 Public Domain Teams from the University of Florida, Indiana University, and other universities across the U.S. and Israel recently conducted five eye-opening studies about rudeness, uncovering that even mild instances of this behavior can significantly impair employees’ performance. This could have potentially life-threatening consequences in critical fields like health care. The research is … Read more
Yash Sondhi went looking for differences in color vision between two closely related moths, one of which is active at night and the other during the day. Instead, he found differences in the way they kept time. Credit: Jeremy Squire How does one species become two? If you’re a biologist, that’s a loaded question. The … Read more
An upside-down sea ice slab showcasing brine channels that facilitate the drainage of liquid brine and support convection along the interface. Credit: Professor Ken Golden A new applied mathematical theory could enhance our understanding of how sea ice affects global climate, potentially improving the accuracy of climate predictions. The authors of a new paper published … Read more
A figure comparing the results of earlier turbidite correlation research to results calculated by an algorithm developed at The University of Texas at Austin. Black dashed lines indicate similar research results. Red dashed lines are different results. Credit: Zoltan Sylvester The Cascadia subduction zone in the Pacific Northwest has a history of producing powerful and … Read more
A James Webb Telescope image shows the J0148 quasar circled in red. Two insets show, on top, the central black hole, and on bottom, the stellar emission from the host galaxy. Credit: MIT/NASA It takes a long time for supermassive black holes, like the one at the center of our Milky Way galaxy, to form. … Read more
Credit: Pixabay/CC0 Public Domain Not all communities in the United States face the same risks for environmental problems such as air pollution, noise and wastewater. But how can federal agencies fairly identify which areas deserve the most help? A new consensus study report from the National Academies of Sciences, Engineering and Medicine (NASEM) offers recommendations … Read more
Credit: Unsplash/CC0 Public Domain Nearly 1.7 million people visit Juneau, Alaska, between May and September, spilling into the city by the thousands each morning when their cruise ship docks. On any given day, the capital of Alaska has a population of almost 32,000 people. It’s easy to imagine the myriad effects, both good and bad, … Read more
New photoacoustic probes are allowing scientists to explore deeper into the brain as they can label and visualize neurons. Here, the scientific illustration features their novel photoacoustic dye that is used for labeling and imaging deep inside a mouse’s brain. Credit: Credit: Isabel Romero Calvo/EMBL To understand the brain better, we need new methods to … Read more
The teeth of Iguanodon weren’t as adapted for chewing, and formed much more slowly, than those of their later relatives. Credit: The Trustees of the Natural History Museum, London At the end of the Cretaceous, the duck-billed hadrosaurs were the most advanced herbivores on Earth. New research has revealed just how voracious these dinosaurs were, … Read more
