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Inside each human cell, about 2 meters (6. 6 feet) of genomic DNA must be accurately copied and equally transmitted to two daughter cells during cell division. To achieve this, the copied DNA is condensed into thick, short structures called mitotic chromosomes.
A recent survey shows researchers remain divided on fundamental concepts. But that’s not a bad thing. The post 68% of physicists don’t think the time started at the big bang appeared first on Popular Science .
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SpaceX is targeting Sept. 22 for Starship's first-ever orbital launch, a landmark flight that will deploy 26 Starlink satellites and last about 10 hours.
Federal law prohibits armed federal officers or military personnel from being deployed to polling stations.