Team recovers ancient genomes from dirt, revealing new history of North America’s bears | Science

A staff member records where his team is gathering samples of cavern sediments. Devlin A. Gandy When researchers require ancient DNA, they generally need to drill into teeth or bones—a... Read more »

Scientists coax cells with the world’s smallest genomes to reproduce normally | Science

Cells with a stripped-down genome were a range of improper sizes (left) up until scientists included 7 genes and restored their regular shape (right). J. F. Pelletier et al.,... Read more »