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In a new study, cats and dogs showed a short-term preference for kibble containing some protein derived from microorganisms over kibble containing only standard, animal-derived protein.
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NewsA new mechanism of action against an old enemy
Researchers identified corramycin as a promising candidate against Mycobacterium tuberculosis. In the laboratory, the natural compound is effective against various forms of the tuberculosis pathogen, including strains from clinical samples that are already resistant to common antibiotics.
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NewsCurrents in an Arctic sea accelerate the sinking of carbon-carrying phytoplankton
Documenting the seasonal fate of these tiny marine organisms is a step toward understanding how ecosystems in the world’s fastest-warming region may change as ice recedes.
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NewsHow human impacts increase risk of emerging infectious disease outbreaks
Global fragmentation of ecosystems and changing patterns of rainfall have increased the risk of diseases spreading to humans from animals, mosquitoes and ticks, finds a study.
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NewsResearchers uncover what could make some bacteria-killing viruses more effective than others
Bacteriophages — or phages, for short — are viruses that kill bacteria, and scientists have been studying them for decades as a possible solution to antibiotic-resistant infections. But phages are notoriously picky eaters — a phage that can eradicate one bacterial strain is often powerless against others, even if the ...
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NewsResearchers reveal snapshots of a key molecular machine in tropical parasites
A study reveals, with near-atomic precision, the three-dimensional structure and function of a gigantic molecular machine essential to the survival of trypanosomatid parasites, which cause serious diseases in humans, animals and plants.
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