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Posted inSci/Tech

Cancer-causing chemical in drinking water traced to fire-fighting foam

Aug. 9, 2016 – Fire-fighting foam containing highly fluorinated chemicals is contaminating drinking water supplies around many of the nation’s military bases, airports and industrial sites, according to a new study by UC Berkeley and Harvard University researchers. In humans, these chemicals have been linked to kidney and testicular cancer, high cholesterol, obesity and endocrine […]

Posted inSci/Tech

Sunflowers move by the clock

Aug. 5, 2016 – It’s summertime, and the fields of Yolo County are filled with ranks of sunflowers, dutifully watching the rising sun. At the nearby University of California, Davis, plant biologists have now discovered how sunflowers use their internal circadian clock, acting on growth hormones, to follow the sun during the day as they […]

Posted inSci/Tech

New fossil evidence supports theory that first mass extinction engineered by early animals

July 31, 2016 – Newly discovered fossil evidence from Namibia strengthens the proposition that the world’s first mass extinction was caused by “ecosystem engineers” – newly evolved biological organisms that altered the environment so radically it drove older species to extinction. The event, known as the end-Ediacaran extinction, took place 540 million years ago. The earliest […]