Professor at Harvard University

Professor at Harvard University >

269
Videos
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History's Mysteries
Episode 1 of The Inexplicable Universe
Begin this journey by taking a closer look at concepts that were once unexplainable but are now better understood. You'll focus on two such former mysteries: the existence of an invisible "aether" through which light and sound were believed to…
The Inexplicable Universe - Unsolved Mysteries Series
What do scientists know about the universe? What still remains to be uncovered? What are some of the next avenues of exploration? Professor Neil deGrasse Tyson's course The Inexplicable Universe: Unsolved Mysteries is a marvelous journey to the frontiers of…
6 videos
The Spooky Universe
Episode 2 of The Inexplicable Universe
Did you know that electrons have never actually been observed by scientists to this day? Or that quarks can only be studied in pairs? Or that as you travel faster or find yourself in a higher gravity, time ticks more…
Great Ziggurat at Ur—Ancient Architecture
Episode 6 of 30 Masterpieces of the Ancient World Series
With the magnificent ziggurats, ancient people reached for the sky, which was the domain of the deities. Learn about Nanna, the Sumerian moon god, and experience the architectural grandeur at the heart of Sumerian daily life. While wars, climate, and…
What Is Writing?
Episode 1 of Writing and Civilization
It has been said that writing exists only in a civilization and a civilization cannot exist without writing, but is that accurate? Consider the validity of this statement and examine several of the critical functions that writing has served during…
Practicing Mindfulness: An Introduction to Meditation Course
In recent decades, science has confirmed that meditation, when correctly practiced, offers lasting benefits for your physical, mental, and emotional health. Gain a clear understanding of the essence of meditation--and how best to practice it--in 24 lessons filled with guided…
24 videos
Mindlessness: The Default Setting
Episode 1 of Practicing Mindfulness: An Introduction to Meditation Course
Do you control your mind, or does your mind control you? Investigate how the mind operates and the condition of mindlessness: the pervasive swirl of thoughts and judgments that separate you from the world around you. Consider the possibility of…
Ancient Cave Art—Chauvet, France
Episode 2 of 30 Masterpieces of the Ancient World Series
Step back more than 30,000 years as you view some of the earliest known art in the world-- a fabulous gallery of animals painted on the cave walls at Chauvet. These paintings tell us something profound about the Paleolithic mind…
How to Segment a Market
Episode 50 of Critical Business Skills for Success Series
The first question in developing a strong marketing strategy is figuring out who your customer is. That's where the tools of market segmentation come in. In this lecture, learn the basic principles that underlie solid segmentation analysis--whether you're working with…
From Britannia to Britain
Episode 1 of Story of Medieval England
A discussion of how the geography of Britain has shaped political events over the centuries introduces you to the significance of English history between the 5th-century fall of the Roman Empire and the 1485 advent of the Tudor Dynasty.
When Netflix Met Blockbuster
Episode 6 of Critical Business Skills for Success Series
Netflix's ultimate domination of the video rental market is a classic example of disruptive innovation: a serious threat to traditional business--and often the hardest to respond to.
Inexplicable Life
Episode 3 of The Inexplicable Universe
Join Professor Tyson on a fascinating investigation of the possible origins of life in the universe. Why was Jupiter believed to be a good environment for life in the 17th century? Why is there only one single "tree of life"…
The Economics of Uncertainty Series
Learn to cope with uncertainty and risk with advice from a master economist. Economic uncertainty is like the weather: you can't stop storms, but understanding them prepares you. Uncertainty is beyond our control, but when you take the mystery and…
24 videos
Why Time Is a Mystery
Episode 1 of Mysteries of Modern Physics: Time Series
Begin your study of the physics of time with these questions: What is a clock? What does it mean to say that "time passes"? What is the "arrow of time"? Then look at the concept of entropy and how it…
Accounting and Finance—Decision-Making Tools
Episode 25 of Critical Business Skills for Success Series
This introductory lecture unpacks some key concepts in accounting and finance; dispels some common myths about accounting; and gives you a helpful overview of three essential statements companies routinely prepare to communicate critical financial data to shareholders and owners.
Inexplicable Physics
Episode 4 of The Inexplicable Universe
Turn now to some inexplicable aspects of physics and our physical world. Among the many eye-opening topics you'll learn about in this episode are the discovery of more and more elements on the periodic table; muon neutrinos, tao particles, and…
Writing and Civilization - From Ancient Worlds to Modernity Course
The written word is so central to our lives that it can seem as if it has always existed. Yet writing is a relatively recent invention. Trace the remarkable saga of "visible speech" from its earliest origins to its future…
24 videos
Mindfulness: The Power of Awareness
Episode 2 of Practicing Mindfulness: An Introduction to Meditation Course
Explore the notion of mindfulness: nonjudgmental attention to experience: as it occurs in everyday life and as a deliberate practice. Note the many benefits of mindfulness practice, from the freedom to choose how you respond to life, to releasing detrimental…
Where Did Our Alphabet Come From?
Episode 3 of Writing and Civilization
Most alphabets in use today are derived from one script developed over 4,000 years ago. What accounts for the vast popularity of the Roman or Latin alphabet? This episode takes you back to ancient Egypt as you investigate the origin…
The Origins and Development of Writing
Episode 2 of Writing and Civilization
Now that you understand the significance of writing, explore three popular beliefs or myths about where writing comes from and how it developed. Investigate the theories of monogenesis versus polygenesis--whether writing was only invented once or independently in locations around…