Leaf through a textbook, watch a wellness influencer or listen in at the gym, and it can feel as though the human body has already been mapped to exhaustion. Every muscle named, every nerve traced. E ...

Most people recognise at least a few anatomical terms — “traps”, “glutes”, “biceps”. After centuries of dissection, microscopy and medical imaging, it seems reasonable to assume the work is done.

At Philadelphia’s famously eerie Mütter Museum, the visitors have spoken - nearly 5,000 times - and the museum says it is listening. Handwritten comment cards, scrawled by guests in the galleries and ...