Over 120 million Americans were under air quality alerts on Wednesday from the smoke of the Canadian wildfires and it will continue on Thursday. Meanwhile, the heat continues in the Southern states.

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1st Babies Born in Britain Using DNA From 3 People
Britain's fertility regulator on Wednesday confirmed the births of the U.K.'s first babies created using an experimental technique combining DNA from three people, an effort to prevent the children from inheriting rare genetic diseases.
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