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What Is Europa's Ocean Made Of and How Do We Know? - Geo Girl
1 review

Explore Europa's hidden ocean: its composition, salinity, and potential for life. Discover geological evidence, water-rock interactions, and the role of hydrothermal vents in this fascinating Jovian moon.
- YouTube
- 24 minutes
- On-Demand
- Free Video
Life on Europa - What Conditions Make Europa Habitable? - Astrobiology
1 review

Explore Europa's potential for harboring life by examining its water, essential elements, and energy sources. Discover possible metabolic pathways and the distinction between habitable and inhabited environments.
- YouTube
- 27 minutes
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Brachiopoda - Invertebrate Paleontology - GEO GIRL
1 review

Explore brachiopod anatomy, morphology, and classification. Learn to distinguish these marine invertebrates from mollusks and understand their evolutionary history and diverse shell shapes.
- YouTube
- 22 minutes
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Mineral Weathering - How and Why Rocks Weather and How Microbes Drive Weathering
1 review

Comprehensive exploration of mineral weathering processes, including microbial influences, silicate and carbonate dissolution, and their impact on global climate. Covers key concepts and mechanisms in geochemistry.
- YouTube
- 35 minutes
- On-Demand
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Crystal Habit, Mineral Color, Luster, Cleavage, Hardness, Density, Solubility - Mineralogy
1 review

Comprehensive overview of mineral properties including crystal habit, color, luster, cleavage, hardness, and density. Explores identification techniques and the science behind mineral characteristics.
- YouTube
- 22 minutes
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How and Why Earth Went From Purple to Green - Twice

Explore Earth's colorful past, from purple to green, as ancient microbes shaped our planet's appearance. Discover the fascinating evolution of photosynthesis and its impact on Earth's visual history.
- YouTube
- 21 minutes
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Times Plate Tectonics Caused Global Climate Change - GEO GIRL

Explore five major climate change events caused by plate tectonics, from Rodinia's breakup to Pangea's formation and dissolution, revealing Earth's dynamic history and its impact on global climate.
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- 22 minutes
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More Times Plate Tectonics Caused Major Climate Events - GEO GIRL

Explore 5 major climate events caused by plate tectonics, including the formation and closure of ocean basins, continental collisions, and the onset of the modern Ice Age.
- YouTube
- 29 minutes
- On-Demand
- Free Video
Biogeochemical Cycles - Weathering, C Burial, Anoxia, Ocean Chemistry, and More

Explore plate tectonics, weathering, oceanic anoxic events, and marine chemistry. Learn how geological processes shape climate, ocean composition, and the evolution of marine life over Earth's history.
- YouTube
- 25 minutes
- On-Demand
- Free Video
Carbon Cycle - Greenhouse Gases, Photosynthesis, Respiration, C Burial, and More

Comprehensive exploration of the carbon cycle, covering greenhouse gases, photosynthesis, respiration, and carbon burial. Discusses elemental cycles, climate change, and the use of carbon isotopes in studying Earth's history and potential extraterrestria…
- YouTube
- 21 minutes
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Mass Extinction Events from the Precambrian to Mid-Paleozoic That Nobody Talks About

Explore lesser-known mass extinctions from the Precambrian to Mid-Paleozoic eras, including the Oxygen Catastrophe and early Cambrian events, rivaling the 'Big 5' in ecological impact and species loss.
- YouTube
- 20 minutes
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Mass Extinction Causes Nobody Talks About - GEO GIRL

Explore lesser-known mass extinction causes, from SO2-induced cooling to gamma ray bursts. Learn how various factors trigger devastating events and impact Earth's biodiversity throughout history.
- YouTube
- 24 minutes
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- Free Video
The Major Causes of Mass Extinction Events in Earth History

Explore the top causes of mass extinctions: global warming, CO2 increase, and ocean anoxia. Learn how these factors trigger catastrophic events and their devastating effects on Earth's biodiversity.
- YouTube
- 25 minutes
- On-Demand
- Free Video
When Diversity of Life on Earth Tripled - GEO GIRL

Explore the Great Ordovician Biodiversification Event, its causes, and impacts on Earth's ecosystems. Learn about evolutionary fauna transitions and how this event shaped life's diversity on our planet.
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- 22 minutes
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- Free Video
How Gemstones Form From Igneous & Metamorphic Processes - GEO GIRL

Explore the formation of 12 gemstones through igneous and metamorphic processes. Learn about their unique colors, properties, and geological origins, from diamonds to turquoise.
- YouTube
- 30 minutes
- On-Demand
- Free Video

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