HealthRise of measles linked with emergence of large cities 2500 years ago A 110-year-old measles genome has helped date the origin of the disease to about 500 BC, which is roughly when humans began living in cities with large populations News
LifeEurope’s cave bears may have died out because of their large sinuses Plant-eating cave bears vanished when ice spread across Europe – maybe because their large sinuses prevented them chewing meat to adapt to the new conditions News