Abstract: Minimum variance (MV) based beamforming techniques have been successfully applied to medical ultrasound imaging. These adaptive methods offer higher lateral resolution, lower sidelobes, and ...

Alexandra Twin has 15+ years of experience as an editor and writer, covering financial news for public and private companies. Vikki Velasquez is a researcher and writer who has managed, coordinated, ...

Research finds that friendship is less of an exchange of giving and receiving, and more of a support system for unpredictable times. Decades of research suggest that the quality of our social ties ...

A long-running theme of U.S. black history (a panel from Jacob Lawrence's 1940-41 "Migration Series") may have to be revised. © Jacob and Gwendolyn Lawrence ...

COVID-19 vaccination has been the subject of immense scrutiny and misinformation since the vaccines were first administered in the U.S. nearly four years ago. In the first year alone, it is estimated ...

Researchers have long disagreed over what constitutes open-source AI. An influential group has offered up an answer. Open-source AI is everywhere right now. The problem is, no one agrees on what it ...

Nebula are giant clouds of interstellar gas that play a key role in the life-cycle of stars. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...

A sweeping new definition of long COVID could help affected people get recognition of their condition and improve diagnosis and treatment. The U.S. National Academies of Sciences, Engineering and ...

Eric Taylor Woods receives funding from the British Academy, Leverhulme, and the Social Science and Humanities Research Council of Canada. Robert Schertzer receives funding from the Social Science and ...