Neuroscientists have long dreamed of watching thoughts unfold as they happen, without disturbing the fragile tissue that produces them. That vision is suddenly closer to reality, as glowing neurons ...

From Santiago Ramón y Cajal’s hand came branches and whorls, spines and webs. Now-famous drawings by the neuroanatomist in the late 19th and early 20th centuries showed, for the first time, the ...

Most people wouldn’t give Geobacter sulfurreducens a second look. The bacteria was first discovered in a ditch in rural Oklahoma. But the lowly microbe has a superpower. It grows protein nanotubes ...