The annual Eureka Prizes for science research and communication were recently held, Claire fills us in on some of the winners on Science's Night of Nights. Calcium is important for bones, but has even more important uses in the body, Manisha explains the importance of enough in the diet. Associate Professor Nerilie Abram from ANU was lead researcher on a recently published collaborative study published in Nature on early response of the climate to elevated carbon dioxide levels, much earlier than previously measured.