HealthBest evidence yet that Parkinson's could be autoimmune disease People with Parkinson's show an immune response to brain cell markers that suggests the condition could be caused by having an over-active immune system 51¶¯Âþ
SpaceHuge impact could have smashed early Earth into a doughnut shape Many rocky worlds may have spent time as a newly named planetary form called a synestia – a loosely connected blob of molten rock and dust with a dented middle 51¶¯Âþ