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With COVID case counts falling and rising, testing is critical. But how many days after exposure should I test? And if I have symptoms but test negative, might the test not be accurate?

Mental health advocates hope the new hotline will make it easier to get support if you're in crisis or helping someone who is. Here's how it works and what could stand in its way.

The president of the Los Angeles City Council has resigned from the post after she was heard making racist comments in a leaked recording.

After the disruption and trauma of the pandemic, educators say kids still need added support this year. In some schools, they're making emotional wellness part of the curriculum.

In 1973, Soylent Green imagined a New York City of 2022 — polluted, overcrowded, and facing environmental catastrophe. Other movies offered their own take on what was in store.

Professor Jonathan Mayer of Princeton University built a system like Apple's to flag for child sex abuse. He talks to NPR about why he's warned against using the system and believes it is dangerous.

Everything from your vocal cord vibrations to breathing patterns when you speak offers potential information about your health. Researchers are collecting voice data to one day use in an app.

The messaging and social media app Telegram has a major doxing problem. NPR's Ailsa Chang speaks with writer Peter Guest, who reported on the global issue in Wired.

A company once owned by “Pharma Bro” Martin Shkreli will pay up to $40 million to settle allegations that it jacked up the price of a life-saving medication by roughly 4 ,000% after obtaining exclusive rights to the drug.

Pfizer says a booster dose of its COVID-19 vaccine appears to offer important protection against the new omicron variant.