Alabama invested in elementary math. But some schools have a long way to go

Alabama’s 2022 law reshaped math instruction at the elementary level by providing money for all schools to hire math coaches ...
C&EN

The 3.2 Å Resolution Structure of a Receptor:CheA:CheW Signaling Complex Defines Overlapping Binding Sites and Key Residue Interactions within Bacterial Chemosensory Arrays

† Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States ‡ Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, ...

4 in 10 young Oregon children aren’t ready for kindergarten, 3rd worst rate in nation, survey finds

Oregon has the nation’s third lowest rate of children on track to be ready for kindergarten, above only Arkansas and Kentucky ...
IEEE

Sparse Array 3-D ISAR Imaging Based on Maximum Likelihood Estimation and CLEAN Technique

Abstract: Large 2-D sparse array provides high angular resolution microwave images but artifacts are also induced by the high sidelobes of the beam pattern, thus, limiting its dynamic range. CLEAN ...
IEEE

Density-tapered spiral arrays for ultrasound 3-D imaging

Abstract: The current high interest in 3-D ultrasound imaging is pushing the development of 2-D probes with a challenging number of active elements. The most popular approach to limit this number is ...