Researchers discovered a group of brain cells that induces a vicious cycle by boosting appetite when there is a prolonged surplus of energy in the body, such as excess fat accumulation in obesity

New ‘micro-organ’ was hiding in plain sight - For the first time in decades, researchers have identified a new anatomical structure within the immune system, that ‘remembers’ past infections and vaccinations, and where immune cells gather to mount a rapid response.

Ancient human genome from southern Africa throws light on our origins: The skeleton of a man who lived 2,330 years ago in the southernmost tip of Africa tells us about ourselves as humans, and throws some light on our earliest common genetic ancestry