Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...
Scientists at the University of Pittsburgh School of Medicine have made an important discovery about Alzheimer’s disease. For years, most Alzheimer’s research has focused on two brain proteins called ...
Abstract: Software implementation of frequency-domain beamforming has become increasingly popular for fast imaging using ultrasound arrays. Stolt migration, which focuses aperture data in a 2-D ...
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