Preserved remains from the Andes yield clues about infectious diseases.
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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.
Viral DNA in mice genomes may lead to cancer in immune-compromised animals.
Genes from fungi, bacteria, and viruses may have helped mosses and other plants to colonize the land.
Japanese lake sediments will help archaeologists better estimate the dates of artifacts and past events.
Salinella salve, an organism described as a single layer of cells, ciliated on both inner and outer surfaces and surrounding…
An HIV drug can bind to and alter the function of an immune molecule, causing a dangerous reaction in patients with a particular allele.
A unique organism sighted only once, more than a century ago, could shed light on the evolution of multicellularity—if it ever actually existed.
Laboratory-raised populations of dung beetles reveal a mother's extragenetic influence on the physiques of her sons.
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