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Biophysicist He Jiankui addressed the last international summit on human genome editing in Hong Kong in 2018. His experiments in altering the genetic makeup of human embryos was widely condemned by scientists and ethicists at the time, and still casts a long shadow over this week's summit in London. Anthony Wallace/AFP via Getty Images hide caption

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Anthony Wallace/AFP via Getty Images

Shots - Health News

Experts weigh medical advances in gene-editing with ethical dilemmas

The last time this summit convened in 2018, the world was shocked to hear a scientist had created the first gene-edited babies. He was condemned, but gene-editing has continued, with some success.

Europe

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10 min

Morning news brief

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TikTok says every account held by a user under the age of 18 will automatically be set to a 60-minute daily screen time limit in the coming weeks. Drew Angerer/Getty Images hide caption

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Drew Angerer/Getty Images

TikTok to limit the time teens can be on the app. Will safeguards help protect them?

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Munyaradzi Musvosvi, a researcher who works for the South African Tuberculosis Vaccine Initiative, in a storage facility at the University of Cape Town that holds in deep freeze the blood samples of people exposed to TB. He's part of a team working to develop a potential mRNA vaccine by looking at the immune cells in the blood samples. Tommy Trenchard for NPR hide caption

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Tommy Trenchard for NPR

Frozen cells reveal a clue for a vaccine to block the deadly TB bug

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Biophysicist He Jiankui addressed the last international summit on human genome editing in Hong Kong in 2018. His experiments in altering the genetic makeup of human embryos was widely condemned by scientists and ethicists at the time, and still casts a long shadow over this week's summit in London. Anthony Wallace/AFP via Getty Images hide caption

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Anthony Wallace/AFP via Getty Images

Experts weigh medical advances in gene-editing with ethical dilemmas

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Rohingya refugees look on after a major fire in their Balukhali camp at Ukhiya in Cox's Bazar district, Bangladesh, Sunday, March 5, 2023. Mahmud Hossain Opu/AP hide caption

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Mahmud Hossain Opu/AP

Massive fire tears through a crowded Rohingya refugee camp in Bangladesh

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