Join us in a peek at the secret lives of birds. We find out just how a cuckoo convinces others to care for it's young, and the tragic outcome for the cuckoo chick when the rouse is discovered. We meet the clever corvids, capable of problem solving feats that may even outfox the great apes. Also, how green tea makes strong bones,the genes involved in prostate cancer and online robotic surgeons. Plus, in Kitchen Science we find out how Dave Ansell spent his schooldays - making stationery fly!