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Is there something universal about the sounds we make that allows vocal learners -- like songbirds -- to figure out how we're feeling? Sounds like it, according to new research.
The humble house mouse has dramatically shaped parasitic Toxoplasma gondii populations in West Africa and around the world, according to new research. As different strains affect their hosts differently, the research provides insights into which populations are infecting humans and animals and suggests mechanisms for their intercontinental spread.
