History of the Earth Courses

Earth's Magnetic Field: Origins, Function, and Future Challenges

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Explore Earth's magnetic field: its origin, importance for life, and potential future weakening. Learn about solar flares, geomagnetic reversals, and their impacts on our planet and civilization.

• YouTube
• 23 minutes
• On-Demand
• Free Video

Were These the First Animals? - Exploring the Ediacaran Biota

Explore the enigmatic Ediacaran biota, their discovery, and debates surrounding their classification as Earth's first animals. Delve into the fascinating world of ancient life forms and their evolutionary significance.

• YouTube
• 54 minutes
• On-Demand
• Free Video

Why Did the Earth Totally Freeze for 100 Million Years? - The Snowball Earth Hypothesis

Explore the fascinating 100-million-year global freeze event, its causes, and Earth's eventual thaw. Uncover evidence, theories, and the profound impact on our planet's evolution and life.

• YouTube
• 49 minutes
• On-Demand
• Free Video

What Was the First Fungus - Origins and Evolution of Fungi

Explore the origins and evolution of fungi, from their diverse forms to their crucial partnerships and impact on Earth's history, uncovering the mystery of the first fungus.

• YouTube
• 1 hour 2 minutes
• On-Demand
• Free Video

What Was Earth Like 3 Billion Years Ago?

Explore Earth's ancient past, from its formation to the Archean Eon. Discover early life forms, geological processes, and the paradoxical warmth of a young planet despite a fainter sun.

• YouTube
• 27 minutes
• On-Demand
• Free Video

What Would Earth Be Like Without Life?

Explore Earth's evolution without life, examining atmospheric composition, geological processes, and planetary dynamics in this thought-provoking scientific journey.

• YouTube
• 21 minutes
• On-Demand
• Free Video

How Did Life Begin? - The Origins of Chemical Evolution

Explore the fascinating theories and scientific discoveries surrounding the origins of life on Earth, from early misconceptions to modern hypotheses about chemical evolution and the RNA world.

• YouTube
• 22 minutes
• On-Demand
• Free Video

Where Did Earth's Water Come From? - Origins and Evolution of Earth's Hydrosphere

Explore the origins of Earth's water, from early solar system formation to comets and climate evolution, unraveling the mystery of our planet's most vital resource.

• YouTube
• 32 minutes
• On-Demand
• Free Video

What Was Earth Like 4 Billion Years Ago?

Explore Earth's tumultuous early history, from violent collisions to volcanic eruptions, and discover how our planet's unique features began to take shape 4 billion years ago.

• YouTube
• 22 minutes
• On-Demand
• Free Video

The First Brain - How and When Did It Evolve?

Explore the fascinating evolution of the first brains, from defining what constitutes a brain to tracing their evolutionary origins and timeline through fossil evidence and scientific research.

• YouTube
• 1 hour 26 minutes
• On-Demand
• Free Video

What Was the Earth Like When It Had Rings?

Discover how Earth's ancient ring system shaped our planet's climate, geology, and life during a dramatic period of mass extinction and environmental change.

• YouTube
• 56 minutes
• On-Demand
• Free Video

The Evolution of Earth's First Predator - From Origins to Anomalocaris

Explore the fascinating evolution of Earth's first predators, from early cellular life to the emergence of Anomalocaris, examining predation's role in driving evolutionary arms races and biodiversity.

• YouTube
• 1 hour 11 minutes
• On-Demand
• Free Video