NOVA “Secrets in Our DNA”

Airs Wednesday, Jan. 13 at 8 p.m. –  Some 30 million Americans have sent their DNA to be analyzed by companies like 23andMe and AncestryDNA, hoping to obtain clues to family origins and forecasts of their future health. Some users have found family members and discovered lurking genetic risks. But what happens once the sample is in the hands of testing companies? What are they looking at and how accurate are their results?

NOVA explores the power of this information and the unintended consequences that can arise from sharing our data with these rapidly growing online databases. DNA results that offer estimates of health risks can be misleading, and the discovery of intimate family secrets can tear relationships apart.

Meanwhile, law enforcement is increasingly turning to the DNA-sharing website GEDmatch as an extraordinarily powerful tool for cracking cold cases, as demonstrated by the 2018 arrest of California’s notorious Golden State Killer after 42 years at large. What is the promise and peril of personal DNA?

Sponsor message:

Sponsor message:

Sign up to receive the Arizona PBS Insider

Get up-to-the-minute information about your favorite programs and learn more about Arizona PBS news and events.

Nature “The Alps: The High Life”

In Part One of the miniseries "The Alps", enjoy the Alps in spring and summertime as newborn animals grow up to face the coming brutal winter.

NOVA “Secrets in Our DNA"

30 million Americans have sent their DNA to be analyzed by companies like 23andMe, hoping to obtain clues to family origins and forecasts of future health.

In Concert at the Hollywood Bowl “Hecho en Mexico”

Before becoming part of the U.S., Los Angeles was a Mexican city. This episode pays tribute to the city’s roots and features beloved Mexican and Mexican American artists performing with Gustavo Dudamel and the LA Phil. Tune in to watch Rodrigo y Gabriela, Natalia Lafourcade and La Santa Cecilia, plus Los Ángeles Azules performing with YOLA (Youth Orchestra Los Angeles) and Paolo Bortolameolli.