With the advent of genomic studies, it’s become ever more clear that humanity’s genetic history is one of churn. Populations migrated, intermingled, and fragmented wherever they went, leaving us with ...

As life-preserving medical technology advanced in the second half of the 20th century, doctors and families were faced with a thorny decision, one with weighty legal and moral implications: How should ...

In 1997, I stood in front of an fMRI scanner for the first time. I watched raw signal translate into living traces of thought, red and orange clouds floating on images of the brain. It felt like my ...