In bacteria, to start DNA replication, two replisomes attach to the DNA at a set origin point and head in opposite directions along the loop of DNA, copying DNA until they meet on the other side.

The Zoonomia Project compared the genomes of 240 mammalian species to find DNA regions that remained mostly unchanged over 100 million years.

They're assessing its effectiveness in hopes of providing a model for how researchers can meaningfully involve study participants who've never had the opportunity to learn to read – let alone get a ...