Anti-COVID drug may have led to virus mutations: study

An anti-COVID drug widely used across the world may have caused mutations in the virus, researchers said on Monday, but there was no evidence that the changes had led to more dangerous variants.

An easy way for dairy farmers to reduce their climate impact

Adding even a small amount of biochar—a charcoal-like material produced by burning organic matter—to a dairy's manure-composting process reduces methane emissions by 84%, a recent study by UC Merced researchers shows.

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