See these dazzling images of a growing mouse embryo
A new microscope lets scientists peek into the mysterious process of mammalian development
![mouse embryo developing](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/10/100918_cm_mouseembryo_feat.jpg?fit=860%2C460&ssl=1)
LIGHT THE WAY A new microscope uses laser light to image growing mammal embryos. Scientists used the instrument to track a mouse embryo (seen in false color) as it developed over two days.
K. McDole et al/Cell 2018