Christian Meissner

Designed by psychologists, the free and anonymous web-based app can help you remember who you came in contact with. Ani Ka via Getty Images

This DIY contact tracing app helps people exposed to COVID‑19 remember who they met

With new US COVID-19 cases topping 200,000 a day, contact tracers are overwhelmed. Here’s how infected people can start tracing and notifying contacts themselves.
New norms for what goes on inside this room. image from www.shutterstock.com

Using science to improve the practice of interrogation

The release of the US Senate Select Committee on Intelligence report on the CIA’s detention and interrogation program documents the use of so-called enhanced interrogation techniques (EITs) against terrorism…

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