Red squirrels were hosts for leprosy in medieval England DNA analysis of remains found at medieval sites has identified closely related strains of leprosy-causing bacteria in the bones of humans and a red squirrel
https://www.newscientist.com/a....rticle/2429559-red-s

Autoimmune conditions linked to reactivated X chromosome genes The inactivation of one copy of the X chromosome in female mammals may start to fail as they get older, which may be why women have a higher risk of autoimmune conditions such as lupus
https://www.newscientist.com/a....rticle/2429684-autoi

Protocells on early Earth may have been formed by squeezing geysers Simulations of the crust of early Earth show that cycles of pressure caused by geysers or tidal forces could have generated cell-like structures and even very simple proteins
https://www.newscientist.com/a....rticle/2428847-proto

Flies undertake epic migrations that may be vital for pollination Migrating flies can carry pollen hundreds or thousands of kilometres, and this could help plants adapt to climate change
https://www.newscientist.com/a....rticle/2428522-flies

Indoor climbing wall users may be breathing in toxic rubber dust The air and dust in climbing centres contain high levels of rubber particles from the soles of climbing shoes, some of which contain toxic additives
https://www.newscientist.com/a....rticle/2428422-indoo