Mass Extinction on the Horizon; Surveillance, Security, and Protecting Your Privacy

Woolly Mammoth model in the Royal BC Museum in Victoria (Canada).

New Yorker writer Elizabeth Kolbert discusses the predictions of another mass extinction, coming soon and triggered by humans. And investigative journalist Julia Angwin looks at how our personal data is collected every day by the government, private companies, and even criminals, and what we can do to protect ourselves.