Part 8 of a series in which I gather insights from leadership, diversity, and wellness experts. Positive thinking isn't just about looking on the bright side. It's a powerful tool that can ...

Presenting an algorithm that solves linear systems with sparse coefficient matrices asymptotically faster than matrix multiplication for any ω > 2. Our algorithm can be viewed as an efficient, ...

Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China State Key Laboratory of Loess and Quaternary Geology, CAS ...

Social media can be both good and bad for your body image. What really matters is how you use it. This requires you to use social media intentionally and strategically. Social media can influence your ...

Rapid antigen tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are effective tools for the diagnosis of acute infection, particularly when used serially. 1 The percentage of ...

Some Python implementations of randomized, matrix-free algorithms for estimating $\text{tr}(A)$, $\text{tr}(A^{-1})$, $\log \det(A)$, $\text{diag}(A)$, $\text{diag}(A ...

The McMurray test is a physical examination doctors use for knee injuries. A positive McMurray test means a person likely has a meniscal tear, otherwise known as a knee injury. The femur and tibia are ...

A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease. People can use a rapid COVID-19 test at home ...