By Margaret Brown, University of South Australia

Have you thought about how you would want to be treated if you cannot make your own decisions?

By Luc Henry, Swiss Federal Institute of Technology in Lausanne

The 2014 Nobel Prize in Physiology or Medicine was awarded with one half to John O'Keefe and the other half jointly to May-Britt Moser and Edvard Moser “for their discoveries of cells that constitute a positioning system in the brain”.

By Tanya Hill, Museum Victoria

At least twice a year, Earth comes between the sun and the moon. The result is a lunar eclipse, where we see the splendid sight of Earth’s shadow falling across the moon.

By Robert Young, University of Salford

I run 50 kilometers per week on my treadmill and eat a calorie-restricted diet; this is something our ancestors didn’t have to do. But then they didn’t sit at a desk all day and certainly did not have access to such energy rich food.

Unfortunately our animals have joined us on the couch. Take a walk down the pet food aisle in the supermarket and you may be surprised to see rows of diet cat and dog food.