Light powers everything from communications to sensing, yet even tiny imperfections can scatter it and weaken signals. To ...

Every winter Yosemite National Park becomes the stage for one of nature’s most riveting optical illusions: a magnificent waterfall that for a brief moment appears to be made of pure golden fire.

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 ...

This is a primal movement beginner video where I demonstrate some simple movements and a flow you can use to start natural movement training. The first part is a tutorial of various positions and ...

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 ...

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 ...

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 ...

The seals learned to touch a target on the left or right based on which direction they thought they were moving, researchers said. Photo by Universitätsmedizin Rostock One by one, Nick, Luca and Miro ...