Abstract: High-lag autocorrelation estimation enhances noise suppression in ultrafast power Doppler imaging by exploiting the temporal coherence among Doppler ensembles. The temporal-multiply-and-sum ...

A federal judge questioned the officials on Monday as part of a lawsuit in which protesters and others say that their constitutional rights have been violated. By Mattathias Schwartz Reporting from ...

For many, it's been years since they've sat in a classroom while a teacher tested their arithmetic skills. Internet users are now racking their brains to remember how to solve elementary school ...