Researchers Image Current Flowing through DNA

"What's it like to see something that no one has seen before?" I asked Tatiana Latychevskaia, a physicist at the University of Zurich."You're always puzzled, trying to look for something similar," she says. She explains that you talk to colleagues, search the literature, and think back to conference presentations... Usually, you don't know in the moment that what you're seeing is new. "Only later do you think that maybe this is something really being seen for the first time," she tells me. Unive...