Sediba's backbone, and antibacterial bacteria

This month, the bones missing from Australopithecus sediba's
backbone are uncovered, but what do they reveal about this ancient
hominid's posture? Also, why a link to the nervous system is
crucial for salamander limb regeneration, the bacteria that can
treat bacterial infections, the social stomach in ant colonies, and
even old worms can combat the ageing process... Get the references
and the transcripts for this programme from the Naked Scientists
website