This video shows a modern street in Shenzhen, China, featuring a sky bridge connecting buildings above the road. The elevated pedestrian pathway helps separate foot traffic from vehicles, improving ...

The Clinical Frailty Scale (CFS) was introduced in the second clinical examination of the Canadian Study of Health and Aging (CSHA) as a way to summarize the overall level of fitness or frailty of an ...

I’ve wanted to weather my scale fleet for a long time, particularly my freight cars. My goals were twofold: to prototypically match a few pieces of weathered rolling stock I’d already purchased, and ...