Science On Top

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday. 00:00:39 Baleen whales - the toothless filter feeders - used to be around 10m long. Then 3 million years ago they started to grow to the enormous size they are today (blue whales can grow be 30 metres long!). 00:07:08 A new study has found that gastric bypass surgery disrupts the gut microbiome so significantly, that patients have a completely different bacteria makeup in their guts after surgery. And the new gut flora appears to promote weight loss. 00:14:14 An increase in the number of baby dugongs on the Great Barrier Reef indicates a revival of seagrass meadows following the devastation wrought by Cyclone Yasi in 2011. 00:18:11 Newly developed recognition software is helping underwater drones search for submerged mines and even map starfish colonies. Not only do the drones pilot themselves, they use pattern-matching to identify points of interest and relay that back to humans.   This episode contains traces of meteorologist Kait Parker at The Weather