This is called environmental variation. Humans, dogs and goldfish are examples of species. Different species have different characteristics from each other. For example, dogs have tails and humans ...

Analysis of individual human genomes has revealed an unexpected amount of variability in human populations. Copy number variation (CNV) has recently been identified as a major cause of structural ...

European surveillance data have revealed that Campylobacter bacteria in humans and animals and some strains of Salmonella continue to be highly resistant to widely used antimicrobials. The two ...