Updates on ISEE-3, fossilised brains, electric bacteria and a rubber duckie comet. Plus the largest non-avian flying dinosaur, a cancer vaccine from a cat poo parasite, and snakes on a plane in microgravity.

Tree-hugging koalas stay cool, gum tree genome sequenced, and ISEE-3 probe returns after 36 years. Claims of the Turing test being passed, the affects of gut bacteria on malnutrition and an ark for yeast cultures.