Under a microscope, this drug-resistant superbug looks as benign as a handful of pebbles. Yet carbapenem-resistant Acinetobacter baumannii, or CRAB, is a nightmare for hospitals worldwide, as it kills roughly half of all patients who acquire it. Identified as a top-priority pathogen by both the World Health Organization and the U.S. Centers for Disease Control and Prevention, CRAB is the most common form of a group of bacteria that are resistant to nearly all available antibiotics. Victims are t
Phages can sense bacterial DNA damage, which triggers them to replicate and jump ship. Design Cells/iStock via Getty Images PlusAfter more than two years of the COVID-19 pandemic, you might picture a virus as a nasty spiked ball – a mindless killer that gets into a cell and hijacks its machinery to create a gazillion copies of itself before bursting out. For many viruses, including the coronavirus that causes COVID-19, the “mindless killer” epithet is essentially true. But there’s more to virus
Aristotle’s postulate that “nature abhors a vacuum” could be used to explain why X-ray photoelectron spectroscopy (XPS) has not found routine application in the analysis of biological samples.
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