Palaeogeneticists at the University of Copenhagen and Michael Bunce at Murdoch University in Perth, Australia determined the half-life after studying a set of 158 DNA-containing bones from an extinct species of bird called "moa" (a feat in and of itself).

ENGADGET: Alt-week 10.13.12: is the Universe a simulation, cloning dinosaurs and singing mice

To take advantage of this Brad Norman, of Murdoch University in Perth, is building a computer database of pictures of individual sharks.

ECONOMIST: Whale sharks

Jeremy Prince, a fisheries scientist at Murdoch University in Australia, has been involved in ITQs since they were pioneered in the early 1980s by Australia, New Zealand and Iceland.

ECONOMIST: Fishing and conservation