Extras

Video thumbnail: NOVA This University Monitors COVID-19 Through Saliva Testing

NOVA

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

Video thumbnail: NOVA Secrets in our DNA Preview

NOVA

Secrets in our DNA Preview

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

Secrets in our DNA Preview

Video thumbnail: NOVA How—and why—DNA Testing Uses Biased Reference Databases

NOVA

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

Video thumbnail: NOVA Half Sisters Unite Thanks to DNA Testing

NOVA

Half Sisters Unite Thanks to DNA Testing

In 2018, June Smith takes a consumer DNA test, hoping to solve a longstanding mystery.

Half Sisters Unite Thanks to DNA Testing