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Genes & Cells

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chimpanzee and bonobo

KISSING COUSINS Chimpanzees (left) and bonobos (right) interbred in the past. Genetic evidence of that mixing was found in a new study.

Endoplasmic reticulum

CELLULAR SURPRISE  Super-resolution imaging of the endoplasmic reticulum, a multifaceted organelle within the cell, shows that it’s a tangled web of interconnected tubes, instead of containing flat sheets as previously believed.

HIV molecule

GOING VIRAL The HIV virus’s path to the United States went through the Caribbean, new genetic analysis shows. The virus (yellow, shown infecting a T cell, blue) hit American shores in about 1971, arriving in New York City first and then spreading across the country.

Genes & Cells

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