This week scientists have found that when it comes to taste, our tongues aren't as important as we thought. A new study published in Nature shows that although our tongues can detect certain chemicals it is atually our brains that percieve the flavour. 

Have you ever wondered why do birds fly in a V formation? And when it comes to flying in a flock, how do they pick a leader? Surely not by democratic election. We explore the answer that will delight biologists and physicists alike. 

Finally, while the world leaders talk it out in Paris we bring you some homegrown citizen science programs to that you can get involved in including a Melbourne Birdlife program and CSIRO social pinpoint.