Choose one: (A) Science gives us objective knowledge of an independently existing reality.... or (B) Scientific knowledge is always provisional and tells us nothing that is universal, necessary, or certain about the world.Made your choice? Welcome to the science wars. This long-running battle over the status of scientific knowledge began in ancient Greece, raged furiously among scientists, social scientists, and humanists during the 1990s, and has reemerged in today's conflict between science and religion over issues like evolution.

Classical physics is about how things move, why they move, and how they work. It's about making sense of motion, gravity, light, heat, sound, electricity, and magnetism, and seeing how these phenomena interweave to create the rich tapestry of everyday experience. It is, in short, the hidden order of the universe.

In this 24-lesson course aimed at non-scientists, noted particle physicist Dr. Don Lincoln of Fermi National Accelerator Laboratory covers more than a century of progress in physics, describing exactly how scientists reach the conclusions they do. He starts with the atom, which was long hypothesized but wasn’t definitively proven until a paper by Albert Einstein in 1905. That was just the beginning, as researchers probed ever deeper into the atom’s complex structure, leading to the weird findings of quantum mechanics.

Published 150 years ago, Charles Darwin's On the Origin of Species - the text that introduced the world to natural selection - is among a handful of books that have changed the world. But the route to that status has been surprisingly circuitous and uncertain. Now, in 24 absorbing lectures by an award-winning teacher, you'll learn the remarkable story of Darwin's ideas, how scientists and religious leaders reacted to them, and the sea change in human thought that resulted.

Since the publication in 1859 of Charles Darwin's remarkable On the Origin of Species, the modern science of biology and genetics has added surprising new dimensions to evolutionary theory. In this course, you’ll discover what Darwin didn’t know, covering much of the curriculum of an introductory college course in evolutionary biology. No background in science is needed to follow these engaging lectures, delivered by Professor Scott Solomon of Rice University, a gifted teacher and widely traveled field biologist.

The Science of Information: From Language to Black Holes covers the exciting concepts, history, and applications of information theory in 24 challenging and eye-opening half-hour lectures taught by Professor Benjamin Schumacher of Kenyon College. A prominent physicist and award-winning educator at one of the nation’s top liberal arts colleges, Professor Schumacher is also a pioneer in the field of quantum information, which is the latest exciting development in this dynamic scientific field. 

Beginning with the Renaissance, the culture of the West exploded. Over the next 600 years, rapid innovations in philosophy, technology, economics, military affairs, and politics allowed what had once been a cultural backwater left by the collapse of the Roman Empire to dominate the world. This comprehensive series of 48 lectures by an award-winning teacher and captivating lecturer will show you how - and why - this extraordinary transformation took place.

Now, you can learn the remarkable stories surrounding monumental inventions - and how consequential these inventions were to history. Taught by Professor W. Bernard Carlson of the University of Virginia, who is an expert on the role of innovation in history, these 36 enlightening lectures give you a broad survey of material history, from the ancient pottery wheel to the Internet and social media. Along with recounting the famous inventions you might expect, this course explores a number of surprising innovations, including beer, pagodas, and the operating room.

Only three lifetimes ago, Europe was a farming society ruled by families of monarchs. But with two seismic tremors - capitalism and democracy - Europe's economic and royal foundations were shattered forever and modern European history began.In this series of 48 fascinating lectures, Professor Childers makes the history of Europe from the 1750s to the present - events both horrible and magnificent - as immediate as today's headlines, employing the historian's craft and a storyteller's skill to find the causes of what otherwise could seem to be the march of folly.

Chemistry and Our Universe: How It All Works is your in-depth introduction to this vital field, taught through 60 engaging half-hour lectures that are suitable for any background or none at all. Covering a year’s worth of introductory general chemistry at the college level, plus intriguing topics that are rarely discussed in the classroom, this amazingly comprehensive course requires nothing more advanced than high-school math. Your guide is Professor Ron B. Davis, Jr., a research chemist and award-winning teacher at Georgetown University.

Complete your knowledge of the ancient world with this comprehensive look at the dozen empires that flourished in the 2,000 years before the conquests of Alexander the Great. Over the course of 36 insightful lectures, you'll follow the Egyptians, the Mycenaean Greeks, the Persians, the Carthaginians, and others as they rise to glory, create administrative and military structures, clash with one another, and eventually collapse.

In 24 thought-provoking lectures designed for nonscientists, this course explores today's exciting field of genomics, the study of the vast storehouse of information contained within chromosomes. Your professor is Princeton University biologist Lee M. Silver, an acclaimed teacher, scientist, and author of popular books on biotechnology, genetics, and their impact on society.   

Considering everything the brain does, how can it possibly be the source of our personalities, dreams, thoughts, sensations, utterances, and movements? Understanding the Brain, a 36-lecture course by award-winning Professor Jeanette Norden of Vanderbilt University, takes you inside this astonishingly complex organ and shows you how it works. With its combination of neurology, biology, and psychology, this course helps you understand how we perceive the world through our senses, how we move, how we learn and remember, and how emotions affect our thoughts and actions.

If you’ve ever wanted to delve more deeply into the mysteries of human emotion, perception, and cognition, and of why we do what we do, these 48 lectures offer a superb place to start. With them, you’ll see the entire history of psychology unfold. In the hands of Professor Robinson, these lectures encompass ideas, speculations, and point-blank moral questions that might just dismantle and rebuild everything you once thought you knew about psychology.

"We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty, and the Pursuit of Happiness." These stirring words from the Declaration of Independence are a powerful statement of the importance of human rights in Western civilization. But many of the freedoms we enjoy today were not so "self-evident" to lawmakers throughout much of our history.