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 ...

Normal, physiologic, autoregulated blood flow to the brain is central to essentially all aspects of human health, and when it goes wrong, the results can be catastrophic. However, due to our thick ...

Please provide your email address to receive an email when new articles are posted on . Stress MRI improves diagnosis of chest pain in patients with angina and nonobstructive CAD. Functional testing ...

This study aimed to determine if stress cardiac MRI testing (a heart scan that measures blood flow with magnetic resonance imaging) could help improve diagnosis and treatment for people with suspected ...

Measuring how well blood flows to the brain is crucial for understanding a wide range of neurological issues, from strokes to migraines to traumatic brain injuries. Obtaining such measurements ...

Measuring blood flow in the brain is critical for understanding response to a range of neurological problems, including stroke, traumatic brain injury (TBI) and vascular dementia. Obtaining such ...

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 ...