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It's easy to think of the solar system as a static object that's always been there. But by studying asteroids, meteorites and moons we can piece together the often violent and dramatic history of our solar system. From Earth being bombarded by water bearing asteroids, to moons being broken apart and reformed around Neptune. We even follow up on some of the great work done by JAXA and the Hyabusa 2 mission. This week we look at some of the latest research into our solar system by studying the smallest often overlooked pieces.
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Trying to understand how the climate will change is difficult. For every big event like the break up of an ice shelf, there are thousands of little factors that play a role. Sometimes this little things turn into a torrent of a river, or a calm lake which can cause an entire continent to bend and flex. We find out about research into the Arctic Tundra and it's changing lakes which are one of the largest natural emitters of greenhouse gases. Plus ways to capture greenhouse gases and store them safely.
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Bacteria are all around us and inside our guts too. Yet despite this there is still so much we do not know about them. We keep discovering new types, new species and then they change the game by blending into hosts and having new side effects. We look at how microbial infections disguise themselves to blend in, how fungal infections deactivate alarm systems, and just how many unknown bacteria there are in your gut. We also find out about ways to tackle our lack of knowledge with bacterial search engines.
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From the bottom of the ocean, to the earliest days of the earth, life has managed to not just survive but thrive. We look at several cases which change our understanding of the earliest life on earth and just what that might mean for understanding life on this planet and beyond. From moving life fossilised in mud, to using isotopes to study metabolism and discovering whole new methods of getting food, life continues to astound researchers with its inventiveness.
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The greatest pop hits can cross continents, but what about oceans? We all know whales make songs, but not only are they very complex, they can be covered, repeated and spread like a Number 1 summer hit across oceans to the far flung corners of the globe. Plus reaching the deepest depths of the ocean is tough for humans, but easy for whales. How do they accomplish these great feats? We also touch on the impact of naval sonar on the battle between squids and whales.
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Lagrange Point Episode 312 - Making water work for us in a Polar Vortex, Drought and Power plant3/2/2019
Water is essential for life, but if its too cold it can cause havoc on infrastructure. If it's too hot there is not enough to go around. If it's too salty its not good for organic material, and if its saturated with CO2 its even more dangerous. So how do we keep water working for us as our climate changes and we have more droughts, more polar vortexes and more power plants? This week we find out about advances in chemistry and materials science that can help make better use of water.
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March 2020
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