Researchers have described how the bacterium Staphylococcus aureus genetically adapts to humans, including mutations that allow some strains to evade the immune system and become resistant to ...

Of all of the places that we visited in Southern Spain, Cordoba might have been my favorite (it’s so hard to choose though!).

Spain — the fourth-largest European country by area with a population of about 47.3 million — is home to some of the continent's most vibrant cities.