New technology reveals hidden DNA scaffolding built before life 'switches on'

For decades, scientists viewed the genome of a newly fertilized egg as a structural "blank slate"—a disordered tangle of DNA ...

Have we leapt into commercial genetic testing without understanding it?

But they disagree on whether studying social genomics—elucidating any potential genetic contributions to behaviors ranging from mental illnesses to educational attainment to political affiliation—can ...