New microscope techniques give deepest view yet of living cells
![mouse embryonic fibroblast cell](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/08/ticker_SIM_free.jpg?fit=860%2C460&ssl=1)
A new microscopy technique called nonlinear SIM gives a better look at how the cell’s internal scaffolding, or cytoskeleton, changes over time. Shown is a still image from a video of cytoskeletal proteins in a mouse embryonic fibroblast cell.
D. Li et al/Science 2015