Light powers everything from communications to sensing, yet even tiny imperfections can scatter it and weaken signals. To address this, a team led by the University of Bath—working with the University ...

Understanding the differences between biological safety cabinets and laminar flow cabinets helps ensure the correct level of containment.

Hoverflies are known for their sexually dimorphic visual systems and exquisite flight behaviors. This valuable study reports how two types of visual descending neurons differ between males and females ...

The old maxim “Buy low, sell high” has a cash-flow corollary: “Collect early, pay late.” But it is possible for companies to overdo a good thing. Sometimes the cash-flow benefits of paying late are so ...

Setup of the laser speckle contrast optical spectroscopy system used to monitor scalp and brain blood flow during temporary blockage of a major scalp artery near the temple. WASHINGTON, Oct. 21, 2025 ...

What is it about a walk that’s so refreshing? It always feels like the perfect thing to do when you’re worried, stressed, overwhelmed, or trying to weigh a big decision. The moment you pop in your ...

FCFE shows a company's money left after paying bills, essential for assessing financial health. To calculate FCFE: net income + depreciation - capex - working capital + net debt. Positive FCFE ...