558: Back to the (microscopic) Future: Using Palaeontology, Pollen, and AI to predict and protect our futures

558: Back to the (microscopic) Future: Using Palaeontology, Pollen, and AI to predict and protect our futures

Today, we go back many millennia in order to protect ourselves for the coming centuries: Emily Hart speaks to two Colombian scientists, Carlos Jaramillo and Camila Martínez, time-travellers of the smallest imaginable time machines: fossilised pollen and tree cells.

Climate change has been a constant feature of Planet Earth: at points in history, the planet has been both much cooler and much warmer than it is today - if we know which plants occupied an ecosystem the last time the Earth was a certain temperature or had a certain level of CO2 in the atmosphere, we can predict what our ecosystems will look like in the conditions that we will soon be living in.

Using tiny fossilised clues, Carlos and Camila are doing exactly this.

The climate change we are currently living through is unprecedented in speed – and water and rain cycles are a major concern for humanity’s continued existence on the planet, so one focus of this work is the Amazon rainforest – both Colombia’s slice of it and further afield.

Predictive models currently disagree about where the Amazon is headed as the earth warms – some models predict it will get wetter, others say it will become grasslands or scrub. One way to find out is to work out which plants lived in the area the last time conditions changed in the ways they are currently changing, and look at how that ecosystem and its inhabitants changed and adapted during that time. Drilling deep into the earth to find fossil records from 12 million years ago, Carlos is now studying the fingerprints left by Amazonian life from that time – particularly pollen. Camila is studying fossilised trees, whose cells – frozen in time – can show us how much water was in the environment. But pollen and other microscopic clues are in such abundance in places like Colombia that there simply isn’t enough time in a human life to study and identify all of the species being found. Luckily, artificial intelligence is opening up huge possibilities – Carlos has been digitalising massive fossil collections and training AI to identify and catalogue samples. So today, we travel from the microscopic fingerprints of a distant ecological past resting in rocks and trees deep underground through to the futuristic methods made possible by new machine learning and digital processing. Carlos and Camila span multiple disciplines and vast timeframes, all in the hopes of getting us the information we need to survive the climate crisis which will change the face of the planet within our lifetimes. They'll be telling us how - and why it's so important.

Support the podcast: www.patreon.com/colombiacalling

Jaksot(100)

492: Made of Space Dust

492: Made of Space Dust

Colombia's leading astronomer, Dr Paola Pinilla, joins us to talk about planet formation, space technology, and diversity in the field of astronomy. We’ll be chatting about the knowledge and inspiration which arrives from outer space, how Paola's childhood in Bogotá led her across the world and into the depths of the universe, and the incredible elements we are all made of – Space Dust. Paola's work focuses on how planets are born – the first steps of planet formation, growing from dust to entire planets – ranging from vast uninhabitable masses to planets just like the one you and I live on. As well as having won a fellowship from NASA, earlier this year Paola won one of the world’s most prestigious awards The New Horizons Prize - known as the Oscars of Science - for her ground-breaking work at the Mullard Space Lab at UCL University College London. The Colombia News Brief is reported by Grace Brennan.

24 Loka 202342min

491: LaWayra: Authentic Ancestral Medicine Retreat in Colombia

491: LaWayra: Authentic Ancestral Medicine Retreat in Colombia

On this week's Colombia Calling podcast, we welcome back Sam Believ to discuss the growth and success of his Ayahuasca (Yage) retreat in the heart of the Colombian countryside. Since we last spoke, about a year and a half ago, Sam's retreat has gone from success to success, growing and becoming one of the reference points for Ayahuasca ceremonies in Colombia. Sam says: "We combine authentic and pure medicine, strong shamans from long lineage (Taitas), amazing environment (set and setting), caring integration with best prices. "We don’t just give you medicine, but we provide solid integration that will allow you to turn your ayahuasca experience into long lasting positive change in your life!" Check out their website at: https://ayahuascaincolombia.com and their highly rated podcast: https://open.spotify.com/show/3l0nacwTcCCzvtyXowA9t7?si=fda19a74d2244629 The Colombia News Brief is reported by journalist Emily Hart.

17 Loka 20231h

490: Better than Cocaine: Learning to grow coffee, and live, in Colombia

490: Better than Cocaine: Learning to grow coffee, and live, in Colombia

It's time to start dispelling some myths about Colombia and celebrate the work of an author, embedded in the coffee region, and seizing the opportunity to immerse himself in life here with total gusto. For years, Barry Max Wills has been honing his work of non-fiction, "Better than Cocaine: learning to grow coffee, and live, in Colombia," and we now have the finished product. What is a charming observation and reflection of life "in the bush" as he puts it (he's Australian), is now available to buy and read as an e-book and will be out as a paperback and launched on 30 November 2023. We discuss life in Colombia, being an immigrant and not an expat, writing and life in Colombia, our adopted homeland. “You’ve bought what?’ ‘A plantation in Colombia.’ ‘Whatever for, darling? You’re not going to go off and live there, are you?’ ‘No. Well, not now, anyway.’ ‘And what are you going to grow? Cocaine?” The book is by indie publisher Fuller Vigil: www.fullervigil.com and available right now on Amazon as a kindle ebook: https://www.amazon.com/dp/B0CKH2SG48 The Colombia News Brief is reported by journalist Emily Hart.

10 Loka 20231h 3min

489: A Day in the Life of a Bogotá City Councillor

489: A Day in the Life of a Bogotá City Councillor

On this week's episode, we discuss what it means to be a Bogotá City Councillor. Diego Laserna is a member of the Concejo de Bogotá for the Partido Alianza Verde and is up for re-election on 29 October. Laserna tells us about the day to day work, issues of security and transport in Bogotá, about the mayoral candidates running for election (Galan, Oviedo, Bolivar, Lara, Robledo and Molano) and his thoughts on the outgoing Mayor, Claudia López and indeed of President Gustavo Petro. What have been Laserna's successes over the past four years? What does he hope to do in the next four years? Tune in to hear about A Day in the Life of a Bogotá City Councillor. Check out Diego Laserna on social media @lasernabogota. And tune in for the Colombia News Brief reported by journalist Emily Hart.

3 Loka 202359min

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