Extras

This University Monitors COVID-19 Through Saliva Testing
The University of Illinois is trying to control the spread of COVID-19 by collecting spit.
This University Monitors COVID-19 Through Saliva Testing

What can DNA testing companies reveal about our ancestry and health, and at what risk?
Secrets in our DNA Preview

How—and why—DNA Testing Uses Biased Reference Databases
Are DNA ancestry tests equally accurate for all test takers?
How—and why—DNA Testing Uses Biased Reference Databases

Half Sisters Unite Thanks to DNA Testing
In 2018, June Smith takes a consumer DNA test, hoping to solve a longstanding mystery.