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Search resuls for: "University of Granada"


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CNN —Chemical toxins are everywhere — in our water, food, air and soil. Children born to European mothers exposed to four families of chemicals that disrupt the body’s endocrine (hormone) system had elevated levels of metabolic syndrome at ages 6 to 11. Metabolic syndrome can include obesity, elevated blood pressure, and abnormally high cholesterol and insulin resistance, which is a precursor to type 2 diabetes. Metabolic syndrome is typically associated with adult cardiovascular disease, type 2 diabetes and stroke, but the growing epidemic of childhood obesity has seen symptoms appearing in kids at younger and younger ages. Having metabolic syndrome as a child is highly predictive of chronic disease as an adult, experts say.
Persons: Nuria Güil, , Oumrait, Vicente Mustieles, Mariana Fernández, Carmen Messerlian, Messerlian, phthalates, , Jane Houlihan, ” Houlihan, Houlihan, PFAS, EWG Organizations: CNN, Icahn School of Medicine, JAMA, Biomedical Research, University of Granada, Harvard, of Public Health, International Council for Chemical Associations, American Chemistry Council, EPA, Food, Food and Drug Administration, FDA, NSF, National Sanitation Foundation Locations: Mount Sinai, New York City, Spain, Messerlian, Chan, Boston, United States
Is ancient Roman concrete better than today's? Most modern concrete starts with Portland cement, a powder made by heating limestone and clay to super-high temperatures and grinding them up. The ancient builders mixed materials like burnt limestone and volcanic sand with water and gravel, creating chemical reactions to bind everything together. Now, scientists think they’ve found a key reason why some Roman concrete has held up structures for thousands of years: The ancient material has an unusual power to repair itself. Even though Roman concrete lasted a long time, it couldn't hold up heavy loads: “You couldn’t build a modern skyscraper with Roman concrete,” Oleson said.
Persons: they’ve, , Carlos Rodriguez, Navarro, John Oleson, Vitruvius, Admir, Rome —, Marie Jackson, Jackson, ” Jackson, Rodriguez, Cecilia Pesce, They’d, ” Pesce, Thirumalini Selvaraj, Selvaraj, Oleson, Masic Organizations: , Spain’s University of Granada, University of Victoria, Massachusetts Institute of Technology, University of Utah, University of Sheffield, Vellore Institute of Technology, Army Corps of Engineers, Associated Press Health, Science Department, Howard Hughes Medical Institute’s Science, Educational Media Group, AP Locations: Canada, Portland, Rome, Copan, Honduras, England, India
AdvertisementAdvertisementIs ancient Roman concrete better than today's? Her research has found that the key could be in the specific volcanic materials used by the Romans. According to Selvaraj's research, in humid areas of India, builders used local herbs that help structures deal with moisture. Even though Roman concrete lasted a long time, it couldn't hold up heavy loads: "You couldn't build a modern skyscraper with Roman concrete," Oleson said. Instead, researchers are trying to take some of the ancient material's specialties and add them into modern mixes.
Persons: , they've, Carlos Rodriguez, Navarro, John Oleson, Domenico Stinellis, Vitruvius, Admir, Rome —, Marie Jackson, Jackson, Rodriguez, Moises Castillo, Cecilia Pesce, They'd, Pesce, Mark Schiefelbein, Thirumalini Selvaraj, Selvaraj, Oleson, Masic Organizations: Service, Spain's University of Granada, University of Victoria, Massachusetts Institute of Technology, University of Utah, AP, University of Sheffield, Vellore Institute of Technology, Army Corps of Engineers, Associated Press Health, Science Department, Howard Hughes Medical Institute's Science, Educational Media Group Locations: Canada, Portland, Rome, Copan, Honduras, England, India
Total: 3