LifeWas humanity born in the mother of all plagues? Early in human evolution, our ancestors switched off two key genes. Doing so may have allowed us to fight off an epidemic of bacterial disease ¿ìè¶ÌÊÓÆµ
LifeZoologger: Bug evolved a self-propelling corkscrew The marine bacterium Synechococcus has no flagellum to propel itself, but it still gets around thanks to a twisted rod inside its body ¿ìè¶ÌÊÓÆµ