Épisodes

  • What Voyager 1 Found at the Edge of the Solar System

    What Voyager 1 Found at the Edge of the Solar System
    Jan 29 2026
    Launched in 1977, Voyager 1 has traveled farther than any human-made object in history—and what it discovered at the edge of our solar system reshaped our understanding of space. In this episode, we explore Voyager 1’s historic journey beyond the planets and into interstellar space, explaining what it actually detected as it crossed the heliopause—the boundary between the Sun’s influence and the wider galaxy.
    We break down the strange changes in cosmic radiation, magnetic fields, and charged particles that confirmed Voyager 1 had truly left the solar system. You’ll also learn what the spacecraft revealed about the solar wind, how scientists know it’s now in interstellar space, and why Voyager’s instruments are still sending valuable data decades later.
    A fascinating look at humanity’s most distant messenger—and what lies beyond the protective bubble of our Sun.

    Become a supporter of this podcast: https://www.spreaker.com/podcast/kurzgesagt-podcast-science-revealed--6600013/support.
    Voir plus Voir moins
    34 min
  • The Gulf Stream

    The Gulf Stream
    Jan 26 2026
    The Gulf Stream is one of the most powerful and influential ocean currents on Earth—and it quietly shapes weather, climate, and life across the planet. In this episode, we explore how the Gulf Stream forms, how it moves warm water across the Atlantic, and why it plays a crucial role in regulating temperatures in North America and Europe.
    We break down the science behind ocean circulation, the connection between the Gulf Stream and global climate systems, and what could happen if this current weakens or shifts due to climate change. From milder European winters to stronger storms and rising sea levels, the effects of the Gulf Stream reach far beyond the ocean.
    A clear and fascinating look at the hidden engine driving Earth’s climate system.

    Become a supporter of this podcast: https://www.spreaker.com/podcast/kurzgesagt-podcast-science-revealed--6600013/support.
    Voir plus Voir moins
    34 min
  • Why Do We Drink Water

    Why Do We Drink Water
    Jan 20 2026
    Water is everywhere—but why do we actually need to drink it to survive? In this episode, we break down the science of hydration and explain the vital roles water plays in the human body. From regulating body temperature and transporting nutrients to supporting brain function and cellular chemistry, water is at the center of nearly every biological process. We’ll also explore what happens when you don’t drink enough, how hydration needs vary by age and activity, and common myths about water intake. A clear, science-backed look at why water isn’t just refreshing—it’s essential for life.

    Become a supporter of this podcast: https://www.spreaker.com/podcast/kurzgesagt-podcast-science-revealed--6600013/support.
    Voir plus Voir moins
    24 min
  • You Need To Quit Weed

    You Need To Quit Weed
    Jan 11 2026
    Cannabis is often labeled as harmless—but is it really? In this episode, we take a science-based look at marijuana use and explore when, why, and how it can start doing more harm than good. From brain chemistry and motivation to mental health, sleep, memory, and long-term dependence, we break down what research actually says about frequent weed use.
    We discuss how cannabis affects dopamine, productivity, emotional regulation, and anxiety, why quitting can be harder than expected, and what withdrawal really feels like. This episode also examines who is most at risk, how tolerance quietly builds, and why “everyone’s doing it” isn’t a reliable measure of safety.
    This is not a moral lecture—it’s an honest conversation about health, habits, and making informed choices in a world where weed is increasingly normalized.

    Become a supporter of this podcast: https://www.spreaker.com/podcast/kurzgesagt-podcast-science-revealed--6600013/support.
    Voir plus Voir moins
    47 min
  • Principles and Foundations of the Natural Sciences

    Principles and Foundations of the Natural Sciences
    Jan 8 2026
    What are the fundamental principles that govern the natural world? In this episode, we explore the core foundations of the natural sciences—physics, chemistry, biology, and earth science—and how they work together to explain reality. From observation and experimentation to scientific laws, theories, and models, we examine how knowledge is built, tested, and refined over time. The episode also highlights key concepts such as causality, energy, matter, evolution, and systems thinking, revealing how these ideas unify diverse scientific disciplines. Whether you’re a student, a curious learner, or a science enthusiast, this episode offers a clear and engaging roadmap to understanding how science explains the universe.

    Become a supporter of this podcast: https://www.spreaker.com/podcast/kurzgesagt-podcast-science-revealed--6600013/support.
    Voir plus Voir moins
    46 min
  • Thyroid Disorders and Clinical Management

    Thyroid Disorders and Clinical Management
    Jan 4 2026
    Thyroid disorders affect millions of people worldwide, yet they often go undiagnosed or misunderstood. In this episode, we explore the science and clinical management of common thyroid conditions, including hypothyroidism, hyperthyroidism, Hashimoto’s disease, Graves’ disease, and thyroid nodules. We break down how the thyroid gland regulates metabolism, energy, growth, and hormone balance—and what happens when this system goes wrong.
    You’ll learn to recognize key symptoms, understand diagnostic tools such as blood tests and imaging, and gain insight into modern treatment options ranging from medication and lifestyle management to surgery and radioactive iodine therapy. This episode provides a clear, practical overview for anyone interested in endocrine health, medical science, or improving patient awareness and outcomes.

    Become a supporter of this podcast: https://www.spreaker.com/podcast/kurzgesagt-podcast-science-revealed--6600013/support.
    Voir plus Voir moins
    28 min
  • Scientific Horizons: The 2025 Year in Review

    Scientific Horizons: The 2025 Year in Review
    Dec 31 2025
    As 2025 comes to a close, this episode takes a sweeping look at the scientific breakthroughs, discoveries, and debates that shaped the year. From major advances in artificial intelligence and medical research to new insights in space exploration, climate science, and quantum technology, Scientific Horizons: The 2025 Year in Review breaks down what mattered most—and why. We explore how these developments are already influencing everyday life, the ethical questions they raise, and the discoveries that could redefine the future. Whether you’re a science enthusiast or just curious about where humanity is headed, this episode offers a clear, engaging snapshot of the year that pushed the boundaries of knowledge.

    Become a supporter of this podcast: https://www.spreaker.com/podcast/kurzgesagt-podcast-science-revealed--6600013/support.
    Voir plus Voir moins
    52 min
  • Stranger Things Physics Explained

    Stranger Things Physics Explained
    Dec 27 2025
    What if the science behind Stranger Things isn’t as fictional as it seems? In this episode, we break down the real physics concepts hidden beneath the show’s supernatural storylines—from parallel universes and alternate dimensions to electromagnetism, energy fields, and the limits of human perception. How close is the Upside Down to real multiverse theories? Could portals, telekinesis, or time distortion ever exist according to modern physics? We separate cinematic fantasy from scientific fact, using real-world theories to explain what Stranger Things gets right, what it exaggerates, and what remains purely science fiction. Perfect for fans of the show and anyone curious about how pop culture intersects with real physics.

    Become a supporter of this podcast: https://www.spreaker.com/podcast/kurzgesagt-podcast-science-revealed--6600013/support.
    Voir plus Voir moins
    34 min