Sept 1, 2018 - Gene editing in dogs, wildfire prediction, Zika fizzles and more

Extinct cave bears’ DNA legacy, Russians miss a missile, fake news, vaccine and is the Earth gaining weight.

Extinct cave bears’ DNA legacy, Russians miss a missile, fake news, vaccine and is the Earth gaining weight.

In this Sept. 28, 2016 photo, Helena Melo, who was born with microcephaly, balances on a ball during a physical therapy session at the AACD rehabilitation center in Recife, Brazil. Melo, 11 months old, travels more than two hours to Recife for therapy sessions three times a week. (Felipe Dana/Associated Press)
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