Large RNA-protein packets use a novel mechanism to escape the cell nucleus.
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Preserved remains from the Andes yield clues about infectious diseases.
Comparing the protein profile of a 500-year-old Inca mummy to modern humans reveals an active lung infection prior to sacrifice.
Mice fed a mix of six strains of bacteria were able to fight a C. difficile infection that causes deadly diarrhea and is resistant to most types of treatment.
Swapping chromosomes from one human egg to another could eliminate mitochondrial DNA mutations that cause disease.
Viral DNA in mice genomes may lead to cancer in immune-compromised animals.
Japanese lake sediments will help archaeologists better estimate the dates of artifacts and past events.
Keith Campbell, a biologist who was part of the effort to clone Dolly the sheep, has passed away at the age of 58.
An HIV drug can bind to and alter the function of an immune molecule, causing a dangerous reaction in patients with a particular allele.
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