Big History S01E17 – The Big History of Everything A two-hour special that caps off the 16-episode first season of H2’s “Big History”, the program illustrates the eight major “thresholds” or turning points that have made our universe and life on our planet possible.

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Big History S01E16 – Silver Supernova At critical moments in history, our second place metal was the most important metal on Earth. Big History reveals how silver’s place in our minds was determined by the heat of exploding stars, and how this one metal saved democracy.

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Big History S01E15 – H2O Water is the miracle molecule, and mankind has used its perfect properties to revolutionize our lives. It was our first superhighway, the lifeblood of civilization, and gives us 90% of all the power we use today.

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Big History S01E14 – Rise of the Carnivores Eating meat made us human…by giving us bigger brains, better tools, and spoken language. The human need for beef has driven history across the hemispheres, but how did we turn an ancient mega-beast into the cow we have today?

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Big History S01E13 – The Sun The Sun is our master and creator. It gives us our perception of time, controls our reality, and powers our lives. Big History sheds new light on our nearest star, revealing that ancient sun worship intersects with science.

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Big History S01E12 – Deadly Meteors Impacts from space have created our planet and just about everything in it. Like celestial supply ships, they brought in water, metal, and maybe even life. They made our moon and sculpted the geography of our planet, but just as they created everything we know, they will likely snuff […]

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Big History S01E11 – Decoded Secret codes run the world. The code of life, DNA, is the operating system for all organisms, which spawned intelligent life like us who eventually created codes of our own–language that allows us to talk and the alphabet that lets us write.

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Big History S01E10 – Pocket Time Machine How does the cellphone in your pocket link to the Big Bang, the evolution of human memory, and even the Titanic disaster? Big History reveals how cosmic forces conspired to give us the tool that has revolutionized the planet.

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Big History S01E09 – Mountain Machines They form natural boundaries, dictate how we spread around the planet, create natural defenses, and control our weather. From the World War that began with a gunshot in the Balkans to the feuds of the Appalachians, mountains have also been flashpoints.

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Big History S01E08 – Brain Boost Behind that cup of coffee or tea is a global story that goes back to the collision that created the Moon and the evolution of plant and animal life. The key is the molecule that gives your morning cup its kick: caffeine, the most popular drug in history.

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Big History S01E07 – World of Weapons Humans have small teeth and no claws or armor, so how do we project our power? Warfare has defined traditional history, but Big History digs deeper to reveal how it all began.

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Big History S01E06 – Defeating Gravity Flight takes more than wings. We need the right kind of air, the perfect materials cooked up over billions of years, and cosmic forces that are just right for us to leave the ground without tumbling off into space.

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Big History S01E05 – Megastructures From the Great Pyramid at Giza to the towering skyscrapers of today, humans have engineered massive constructions for at least 5,000 years. But why? How do biology and human emotions affect our desire to build gigantic structures?

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Big History S01E04 – Below Zero Reveals how cold has the power to turn men into Barbarians, spark history’s longest running war, and create the concept of race. After the heat of the Big Bang, cold creates the Universe and the planet as we know it. For thousands of years on Earth, cold controls the […]

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Big History S01E03 – Gold Fever This episode asks why mankind is gold crazy, and discovers there’s a hard-wired reason we lust after it, and a microscopic explanation for why it shines. We reveal how the science behind our favorite metal drives men across oceans and continents.

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Big History S01E02 – Horse Power Revolution The horse has been a revolutionary animal in unexpected ways. It has changed how we speak, what we wear, and sets the hidden limit for the size of our most massive empires. It’s a story that spans the cosmos.

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Big History S01E01-The Superpower of Salt We all know that mankind can’t live without air, food and water…the same is true of salt. The salt on your table is a key to unlocking the story of our planet and the cosmos. Big History reveals how this simple molecule underpins our civilization.

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