HumansStolen penises and other exotic psychological talesFrom penis thieves to voodoo death, strange mental disorders can tell us a lot about the deeper layers of any culture, finds an unusual new travelogueCulture
LifeGut bacteria influence the birth of new brain cells in miceWiping out a mouse's gut bacteria with a long course of antibiotics hinders the growth of new brain cells – but exercise and probiotics can reverse thisNews