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Sep 25, 2014
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movies
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As civilizations grew larger, demand for resources grew along with it. This led people to spread out over larger territories in search of food, natural resources, and new ideas.
Topics: Khan Academy, Partner Content, Big History Project, Expansion and Interconnection, Expansion, Crash...
505
505
Sep 22, 2014
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movies
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David Christian gives a TED talk covering the Universe's 13.8 billion year history in 18 minutes.
Topics: Khan Academy, Partner Content, Big History Project, The Future, Looking Back, 2014
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Sep 5, 2014
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Poof and you're gone! Extinction events are no joke. The Greens and Emily Graslie talk about why they are such a big deal, and what they have to do with evolution.
Topics: Khan Academy, Partner Content, Big History Project, Life, How Did Life Begin Change, Crash Course,...
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Sep 4, 2014
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Crash Course Big History: The Origin of Life
Topics: Khan Academy, Partner Content, Big History Project, Life, What Is Life, Crash Course, 2014
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Sep 4, 2014
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No, we really really did not evolve from monkeys. John and Hank Green explain this and lots of other things related to human evolution.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, How Ancestors Evolved, Crash...
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Aug 26, 2014
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Emily Graslie joins John and Hank Green to discuss the formation of our Sun, Solar System, and Earth - and how it's all slightly more interesting than leftover crumbs and clam chowder.
Topics: Khan Academy, Partner Content, Big History Project, Solar System and Earth, Plate Tectonics...
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Aug 26, 2014
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The guys at CrashCourse explain the process by which stars are formed and explode, in their own unique style.
Topics: Khan Academy, Partner Content, Big History Project, Stars and Elements, Creation Complex Elements,...
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Aug 26, 2014
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Crash Course is a fast, funny, irreverent look at history. In this episode, brothers John and Hank Green gives us their take on what makes Big History so darn important.
Topics: Khan Academy, Partner Content, Big History Project, What Is Big History, Welcome To Big History,...
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Aug 18, 2014
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What was it like for hunter-gathers? What were their favorite foods that they would go the extra mile to get their hands on? How are decisions like that different from the decisions we make today?
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, How Did First Humans Live, 2014
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Aug 18, 2014
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Businessman and philanthropist Bill Gates looks towards a future of sustainable energy and worldwide education.
Topics: Khan Academy, Partner Content, Big History Project, The Future, Looking Forward, 2014
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Journey with Craig Benjamin through 250,000 years of technological creativity and human migration. Explore how our species has had to adapt, change, and migrate to survive.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, Other Materials6, 2014
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Aug 18, 2014
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Craig Benjamin explains how agriculture drove change and why humans took the risk of abandoning foraging.
Topics: Khan Academy, Partner Content, Big History Project, Agriculture and Civilization, Other Materials7,...
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Aug 18, 2014
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The invention of agriculture is not just a matter of tastier food. It unlocked powerful forces that transformed history.
Topics: Khan Academy, Partner Content, Big History Project, Agriculture and Civilization, Rise Of...
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Aug 18, 2014
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In which John asks whether globalization is a net positive for humanity. While the new global economy has created a lot of wealth, and lifted a lot of people out of poverty, it also has some effects that aren't so hot.
Topics: Khan Academy, Partner Content, Big History Project, The Future, The Biosphere, Crash Course, 2014
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Aug 18, 2014
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Exchange multiplies, markets grow, and fossil fuels flow, revolutionizing government and industry.
Topics: Khan Academy, Partner Content, Big History Project, Acceleration, BHP Acceleration, 2014
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Aug 18, 2014
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Three forces of change gather momentum and help create the modern world, transforming the biosphere.
Topics: Khan Academy, Partner Content, Big History Project, Acceleration, Changing Economies, 2014
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Aug 18, 2014
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n which John Green wraps up revolutions month with what is arguably the most revolutionary of modern revolutions, the Industrial Revolution.
Topics: Khan Academy, Partner Content, Big History Project, Acceleration, BHP Acceleration, Crash Course,...
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Historians ask questions about the past to help understand the present, and gain insight to the future.
Topics: Khan Academy, Partner Content, Big History Project, Agriculture and Civilization, First Cities...
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Aug 18, 2014
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Fueled by surplus crops, agriculture led to the formation of the world's first large-scale civilizations.
Topics: Khan Academy, Partner Content, Big History Project, Agriculture and Civilization, First Cities...
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Aug 18, 2014
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In this video, Henry Louis Gates, Jr., explains how three types of genetic tests helped him understand his own family history, and then goes on to explain how these same tests can help scholars reconstruct the past 60,000 years of human migration.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, How Did First Humans Live, 2014
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Aug 18, 2014
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Sustainable energy is one of the greatest challenges for chemists today.
Topics: Khan Academy, Partner Content, Big History Project, Acceleration, Other Materials9, 2014
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Aug 18, 2014
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Explore climate change on a geologic time scale, and consider recent human impacts on climate and the atmosphere.
Topics: Khan Academy, Partner Content, Big History Project, The Future, The Biosphere, 2014
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Aug 18, 2014
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Big history is not yet finished. How might the lessons of the past eight thresholds inform our expectations for the future? What role will you play in shaping the next threshold of the big history?
Topics: Khan Academy, Partner Content, Big History Project, The Future, Looking Forward, 2014
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Aug 18, 2014
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Wealthy Romans and Chinese silkworms: connections that reshape the world.
Topics: Khan Academy, Partner Content, Big History Project, Expansion and Interconnection, Commerce...
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Aug 18, 2014
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What can we learn from volcanic ash in Laetoli? Sanjayan discusses human interaction with the biosphere and how we are reconnecting with nature.
Topics: Khan Academy, Partner Content, Big History Project, The Future, Other Materials10, 2014
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Aug 18, 2014
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How will resources and opportunity be distributed in the future? American Scholar Henry Louis Gates, Jr. hopes that the advances of technology will benefit everyone.
Topics: Khan Academy, Partner Content, Big History Project, The Future, Other Materials10, 2014
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Aug 18, 2014
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The evidence left behind by early humans gives us a vivid picture of their lives.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, How Did First Humans Live, 2014
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The Modern Revolution began about 200 ago and created the world we live in today.
Topics: Khan Academy, Partner Content, Big History Project, Acceleration, BHP Acceleration, 2014
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Aug 18, 2014
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Learn why humans, more than any other species, have made such a profound impression on the biosphere.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, Other Materials6, 2014
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Aug 18, 2014
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All life on earth shares a common ancestor. After the dinosaurs became extinct, biodiversity flourished.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, Other Materials6, 2014
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Aug 18, 2014
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When Columbus sailed to the Americas, there was a wave of interconnection that rippled across the world. Unfortunately, this interconnection Included deadly microorganisms.
Topics: Khan Academy, Partner Content, Big History Project, Expansion and Interconnection, Other...
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When humans began farming, new, more complex ways of living were possible.
Topics: Khan Academy, Partner Content, Big History Project, Agriculture and Civilization, Rise Of...
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New trade networks caused an explosion in the trade of goods, but also of ideas, technologies, and diseases.
Topics: Khan Academy, Partner Content, Big History Project, Expansion and Interconnection, Exploration...
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Aug 18, 2014
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Expansion meant the addition of new territories, resources, and people.
Topics: Khan Academy, Partner Content, Big History Project, Expansion and Interconnection, Expansion, 2014
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Aug 15, 2014
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Every volcanic eruption and earthquakes are a reminder that Earth is very much alive and in motion.
Topics: Khan Academy, Partner Content, Big History Project, Solar System and Earth, Plate Tectonics...
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Aug 15, 2014
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Earth's 4.6 billion-year history has distinct periods. Geologists use evidence in rock record to classify these.
Topics: Khan Academy, Partner Content, Big History Project, Solar System and Earth, Knowing Solar System...
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Aug 15, 2014
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Nicholas Toth shows how early humans made stone tools that were simple but effective.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, Ways Of Knowing Early Humans, 2014
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Aug 15, 2014
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Kathy Schick defines the role of the anthropologist in understanding our past and present.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, Ways Of Knowing Early Humans, 2014
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Aug 15, 2014
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Clouds of diverse, chemical matter spun around our Sun, coming together to form our Earth and Solar System.
Topics: Khan Academy, Partner Content, Big History Project, Solar System and Earth, Earth And Form Solar...
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Aug 15, 2014
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Walter Alvarez shows how well-preserved limestone layers in the mountains of Italy offer a rare glimpse at Earth history and early forms of life.
Topics: Khan Academy, Partner Content, Big History Project, Life, Other Materials5, 2014
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Aug 15, 2014
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Carbon's ability to form chemical bonds is very important to the history of life on Earth and continues to influence our own future.
Topics: Khan Academy, Partner Content, Big History Project, Life, Other Materials5, 2014
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Aug 15, 2014
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Through a diversity of chemical elements and the perfect conditions on Earth, life mysteriously appeared.
Topics: Khan Academy, Partner Content, Big History Project, Life, What Is Life, 2014
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Aug 15, 2014
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Geologist Walter Alvarez gets to the bottom of a scientific murder mystery.
Topics: Khan Academy, Partner Content, Big History Project, Life, How Did Life Begin Change, 2014
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Aug 15, 2014
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Stone tools, changes in the human skull, and mutant genes: John Shea discusses some of the early evidence we have for collective learning.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, Collective Learning, 2014
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Aug 15, 2014
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The Earth's atmosphere keeps changing, creating an endless cycle of warming, cooling, and recovery.
Topics: Khan Academy, Partner Content, Big History Project, Solar System and Earth, What Young Earth Was...
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Aug 15, 2014
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Nicholas Toth explains the tools, methods, and focus of an archaeologist.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, Ways Of Knowing Early Humans, 2014
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Aug 15, 2014
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A closer look at the Goldilocks Conditions for life, and an animated voyage through evolution on Earth.
Topics: Khan Academy, Partner Content, Big History Project, Life, How Did Life Begin Change, 2014
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Aug 15, 2014
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Today's amazing biodiversity all began with a common single-celled ancestor billions of years ago.
Topics: Khan Academy, Partner Content, Big History Project, Life, Other Materials5, 2014
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About 200,000 years ago, man evolved to become the most important force for change on the Earth's surface. What makes us so different from other living things? How did we, together, make something entirely new?
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, How Ancestors Evolved, 2014
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Aug 15, 2014
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A closer look at the life on Earth and the techniques scientists use to study living organisms.
Topics: Khan Academy, Partner Content, Big History Project, Life, How Did Life Begin Change, 2014
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New elements enabled new possibilities, creating conditions around stars that were just right for making planets.
Topics: Khan Academy, Partner Content, Big History Project, Solar System and Earth, Earth And Form Solar...
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Aug 15, 2014
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Learn why humans, more than any other species, have made such a profound impression on the biosphere.
Topics: Khan Academy, Partner Content, Big History Project, Early Humans, Collective Learning, 2014
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Travel back in time to the early days of Earth; explore its surface and atmosphere over the ages.
Topics: Khan Academy, Partner Content, Big History Project, Solar System and Earth, What Young Earth Was...
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Aug 15, 2014
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Travel through time in a rowboat to consider some of the \mini-thresholds\ in the development of life on Earth.
Topics: Khan Academy, Partner Content, Big History Project, Life, How Did Life Begin Change, 2014
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Defining life is harder than it seems. Consider its characteristics and the importance of DNA in evolution.
Topics: Khan Academy, Partner Content, Big History Project, Life, What Is Life, 2014
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Aug 15, 2014
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Sanjayan discusses the field of conservation science and considers the future of the biosphere.
Topics: Khan Academy, Partner Content, Big History Project, Life, Other Materials5, 2014
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Walter Alvarez introduces geology and discusses how the physical features of Earth can tell us about its history.
Topics: Khan Academy, Partner Content, Big History Project, Solar System and Earth, Knowing Solar System...
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Aug 15, 2014
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Ursula Goodenough takes a closer look at biology and the study of life.
Topics: Khan Academy, Partner Content, Big History Project, Life, Other Materials5, 2014
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Aug 14, 2014
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Learn the basic organization of the periodic table and what it tells us about the chemical elements.
Topics: Khan Academy, Partner Content, Big History Project, Stars and Elements, Creation Complex Elements,...
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Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev.
Topics: Khan Academy, Partner Content, Big History Project, Stars and Elements, Knowing Stars Elements,...
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May 14, 2014
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Learn to use \claim testers\ to evaluate information and decide what you believe!
Topics: Khan Academy, Partner Content, Big History Project, Big Bang, Claim Testing, 2014
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Geocentric to heliocentric, and beyond. An overview of the major changes in the way people have viewed the Universe.
Topics: Khan Academy, Partner Content, Big History Project, Big Bang, How Did Big Bang Change, 2014
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May 14, 2014
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David Christian explains how the Big Bang theory developed by looking at the evidence that supports it.
Topics: Khan Academy, Partner Content, Big History Project, Big Bang, The Big Bang, 2014
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Janna Levin discusses what we know about the Big Bang, and ponders the profound questions that remain.
Topics: Khan Academy, Partner Content, Big History Project, Big Bang, The Big Bang, 2014
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Explore the Universe before and after the birth of stars and study the extraordinary process of star formation.
Topics: Khan Academy, Partner Content, Big History Project, Stars and Elements, How Were Stars Formed, 2014
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The early Universe was dark and cold - until a few atoms of hydrogen and helium got together, and a star was born.
Topics: Khan Academy, Partner Content, Big History Project, Stars and Elements, How Were Stars Formed, 2014
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Eight dramatic transitions drive Big History's 13.8 billion year story.
Topics: Khan Academy, Partner Content, Big History Project, What Is Big History, What Are Disciplines, 2014
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The history of the Universe decorates the night sky. Learn how to watch this history by studying cosmic light emissions.
Topics: Khan Academy, Partner Content, Big History Project, What Is Big History, What Are Disciplines, 2014
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Large stars die, and then explode into massive supernovae. This scatters all the elements of the periodic table throughout the Universe, which results in Threshold 3.
Topics: Khan Academy, Partner Content, Big History Project, Stars and Elements, Creation Complex Elements,...
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Do the laws of physics and mathematics apply to everything in the Universe? Janna Levin explains astrophysics.
Topics: Khan Academy, Partner Content, Big History Project, What Is Big History, What Are Disciplines, 2014
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Space, time, matter, and energy. The Big Bang provided the raw materials for everything around us today.
Topics: Khan Academy, Partner Content, Big History Project, Big Bang, The Big Bang, 2014
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Anne McNeil introduces the central science and discusses how the study of matter has changed over time.
Topics: Khan Academy, Partner Content, Big History Project, Stars and Elements, Knowing Stars Elements, 2014
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May 14, 2014
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We hear David Christian's explanation of Big History's 13.8-billion-year timeline and multidisciplinary approach.
Topics: Khan Academy, Partner Content, Big History Project, What Is Big History, Welcome To Big History,...
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Aging and dying stars generate extremely hot temperatures, hot enough to create entirely new elements.
Topics: Khan Academy, Partner Content, Big History Project, Stars and Elements, Creation Complex Elements,...
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Did you know Bill Gates was a big history student? Here he explains why it's his favorite course of all time.
Topics: Khan Academy, Partner Content, Big History Project, What Is Big History, Other Materials1, 2014
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