Natural Nukes - Dr Karl explains how the earth created a nuclear reactor billions of years before we figured out how. Extreme gravity, relativistic rotation speeds and could-have-been alien lighthouses - almost Dr Jessica explains the strange science of the Pulsar. Plus Dr Alice on things that shouldn't go boom - the Lithium-ion batteries that power all our devices.
From the age of six, Xiuhtezcatl has been out to improve our world. He worked locally to get pesticides out of parks, coal ash contained, and fracking moratoriums. He has addressed the General Assembly at the United Nations in New York. He is currently a plaintiff in a youth-led lawsuit against the US federal government for their failure to protect the atmosphere for future generations.
On a brief visit to Australia he talks with Dr. Karl on how to achieve meaningful change as a youth activist.
Dr Alice is talking about Ayahusca a South American hallucinogen that may help depression and other mental disorders, nearly Doctor Jessica exploring number stations and the secret messages that haven't stopped despite the end of the Cold War and Dr Karl on whether the silk handkerchief in your top pocket will stop bullets.
Imagine cooling down 2,300 km of Barrier Reef along the Australian coast using renewable energy. Mind-blowing, right? Dr Brian Von Herzen has such a plan. It's part of a bigger picture that he calls Marine Permaculture - using nature to restore habitat in the oceans. It is a project he has been working towards for over a decade including demonstrations off Hawaii. Dr Karl discussed Dr Brian's vision in Queensland earlier this year. The audio quality varies as it was recorded on location.