Sep 24, 2018
Few of us have any conception of the enormous timescales of our planet’s long history. Geology professor and Fulbright Scholar Marcia Bjornerud steped onto Town Hall’s stage to outline the ways in which our everyday lives are shaped by processes that vastly predate us—and in turn, how our habits will have...
Sep 17, 2018
In the mid-1970s, scientists began using DNA sequences to reexamine the history of all life. Perhaps the most startling discovery in this new field—the study of life’s diversity and relatedness at the molecular level—is horizontal gene transfer (HGT), the movement of genes across species lines. With insight...