How to make Graphene at home, how to visualise a Black Hole and the accidental Car Key immobiliser. Doctors Karl, Alice and Jessica with the latest.

It's 20 years since our first modern Global Coral Bleaching event. Now they are regular, harder and faster. A deadly trio of climate change conditions are killing corals. Dr Emma Camp, a Marine Bio-geochemist, is at Ground Zero on Australia's Great Barrier Reef. She might have discovered some micro-biological interactions that could throw corals a lifeline. @emmafcamp https://emmafcamp.com/

Statistics are essential today.They are complicated and easy to misinterpret. Clearly communicated results can make a world of difference to new ideas. Dr Emi and Dr Karl discuss smart ways to reveal your data. http://soapboxscience.org/soapbox-science-2019-sydney/

41 recent Diets have been ranked by US Health professionals. Dr Nick Fuller takes Dr Karl through the top and bottom of the chart. Is there a new Number One this year ? Will it be the 5/2, Keto, Dash or Mind ? Before you start your next diet, listen to this Podcast. Twitter: @drnickfuller Website: www.intervalweightloss.com.au

Dr Gavin Scherer tells Dr Karl of an Environmental catastrophe that engulfed a brand new Australian suburb. How did it happen? What did it take to fix? A blow by blow account of what it takes to undo decades of bad choices. http://bit.ly/2JZqXmi

The PFAS family of chemicals were Jet-Age wonders. Now some of them are biohazards that can cause cancer in high concentrations. PFAS are proving very hard to contain and break down. Dr Gavin Scherer has the job of finding them and making them safe. https://www.aecom.com/au/pfas/ https://www.epa.nsw.gov.au/

Dr Kyra Sim treats takes Dr Karl through The benefits of exercise - after eating. @kyrasim

How we are training computers to look and see like us, how young Danish Citizen Scientists discovered new bacteria and the Benjamin Franklin effect - no kites or thunderstorms involved. Dr Alice Motion, Dr Jessica Supernova (aka Bloom) and Dr Karl return.

Tongue to tail, our bodies need this more than ever. The science is absolute - hearts, brains, bodies, guts - this works. It's affordable, tasty and we all need more of it. Bananas, popocorn and high cocoa dark cholocate ? Professor Claire and Dr Karl both have upped their fiber intake. http://healthyeatingquiz.com.au/

Geology reveals deep history. For recent history , 1 to 2 million years, glaciology has answers. The bubbles buried in ice in Antarctica are like a time machine for our atmosphere. Earth's Ice Ages are out of kilter and we need to know why. Dr Karl and Dr Tas van Ommen talk about the next 4 Antarctic summers of drilling required to discover what is really going on.