A team of researchers led by Arizona State University School of Earth and Space Exploration Professor Lindy Elkins-Tanton has provided the first ever direct evidence that extensive coal burning in Siberia is a cause of the Permo-Triassic Extinction, the Earth’s most severe extinction event. 
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Bismuth ferrite, or BFO, has long been of interest to scientists because its functional properties can be controlled by applying external stimuli; its magnetic response can be controlled via electric field, and its electrical response can be controlled via magnetic field, hence the name magnetoelectric. 
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