Researchers have revealed an entirely unexpected blueprint for how one of the oldest microbes on Earth processes nitrogen to create ammonia, the building block of fertilizer. They uncovered a previously unknown structure in a key enzyme responsible for biological nitrogen fixation.
Between the first sign of an unusual event and an effective public health response lie several critical steps: verifying the signal, identifying the pathogen, assessing the risk, making a decision, and translating that decision into action. A new Perspective asks: how can infectious disease risk assessment better support timely and actionable public health decisions?
A study in mice shows that K3-SPG can activate innate immunity, offering potential temporary defense against respiratory viruses while vaccines are developed.
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Scientists have revealed that the viscosity of marine snow can have a major impact on how quickly it’s broken down and how far it sinks, factors that influence how much carbon it transports to the deep ocean. They found that gooey marine snow can shuttle more than six times the carbon to the deep ocean than less viscous particles.
Vaccine-hesitant adults were more likely to consider getting a COVID-19 vaccine when public health messages acknowledged distrust of government and affirmed values such as personal liberty, a new study found.
Filamentous fungi can colonise fresh human faeces, and the choice of fungal species shapes how the material changes, according to a new study. Depending on the species, the fungi accelerated degradation, reduced faecal indicator bacteria, suppressed faecal odour or changed the appearance of the material.
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