In this epsiode, we chat to Professor Rick Shine, head of Team Bufo, from the University of Sydney. He talks about a lung-worm, which may be useful in controlling the spread of the cane toad.

According to researchers from the Australian National University promiscuous females are more likely to give birth to healthier offspring. These findings were published last month in the journal 'Nature'.

One of the researchers, Dr Diana Fisher, discusses why female promiscuity exists in the animal kingdom and whether there was anything in it for humans.

Links:

• Post-mating sexual selection increases lifetime fitness of polyandrous females in the wild, Nature.