As predators decline, carbon emissions rise

(Phys.org)—University of British Columbia researchers have found that when the animals at the top of the food chain are removed, freshwater ecosystems emit a lot more carbon dioxide into the atmosphere.

Gene breakthrough boosts hopes for sorghum

Agricultural researchers on Tuesday said they had found a gene that boosts the digestibility of sorghum, transforming a humble grain into a potential famine-beater.

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