1.56-billion-year-old fossils add drama to Earth’s ‘boring billion’
China find could shift timing of eukaryotes’ becoming multicellular
![mudstone fossil microbes](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/05/051716_mr_eukaryote_free.jpg?fit=860%2C460&ssl=1)
LIVING LARGE Fossils from 1.56-billion-year-old mudstone contain clusters of cells (shown) that resemble large-scale multicellular eukaryotes.
M. Zhu