Week in Science is the science news brought to you by RiAus.

This week:
Raman scattering reaches sub-nm resolution
Gene switches make prairie voles fall in love
Antarctic ice loss less severe than previous IPCC estimates
Anaesthetic 'can triple the risk of dementia’
Astronomers spot lightest exoplanet
Lyrebird dance choreography
Ancient Primate Skeleton Hints at Monkey and Human Origins
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