No matter how much you know, there is always something new to learn about science. While your college courses may cover the basics, you can get a more in-depth look at a wide variety of topics from Internet resources such as these great documentaries. These selections will help you explore everything from the inner reaches of the human mind to the outer areas of our universe and just about everything else in between. Better yet, they're all free to watch online so you can learn more without spending a dime.

Health and Medicine

These documentaries cover topics like health care, diseases, nutrition, nursing, and more so you can get great insights into health and medicine.

Drugs

Learn how drugs impact the brain and the variety of legal restrictions imposed upon them from these documentaries.

Ecstasy Rising: Watch this video from Primetime to learn more about ecstasy, its effects and more.

Big Bucks, Big Pharma: This documentary attempts to expose the business behind medicine–often done at the expense of the health of consumers.

Prescription for Disaster: Learn why the billions poured into medical treatments may not be helping people to live longer, healthier lives through this documentary.

The World's Most Dangerous Drug: This show will expose the true danger behind methamphetamines.

In Pot We Trust: Here you'll find a film that wants to show the medical benefits of marijuana.

The Drugging of Our Children: More and more children these days take drugs for behavioral issues like ADD and ADHD, but this documentary points out that those drugs can have pretty serious side effects as well.



Genetics

From cloning to genetic disorders, these documentaries will shed some light on your DNA.

Evolution and Biological History

Learn more about life on earth, from the earliest cells to the evolution of humans, from these documentaries.

Physics

Even if you don't know a ton about physics, these great movies will show you how the universe works from the smallest particles to the biggest galaxies.

Environment

These documentaries focus on technologies and conservation efforts meant to preserve the environment.

Geology

In these movies, you'll be able to learn about the regions of the world, how Earth's processes work, and much more.

Space

Explore the solar system and beyond with these great space-focused documentaries.

Technology

These documentaries will help you learn about computers, robots and even the beginnings of electricity.

Nikola Tesla: The Genius Who Lit the World: Check out this film to learn more about the inventions of this man and how they shaped the modern world.

Big Brother, Big Business: Learn about the myriad of technologies that watch your every move from this Orwellian documentary.

New York City Hackers: This documentary film will introduce you to the first hackers, a group of students from MIT, and what the name originally meant.

Building Gods: Watch this film to learn more about the development of AI technology.

Welcome to Macintosh: Here you can delve into the history and development of one of the largest technology companies in the world.



Nature

Study the natural world and the fauna that calls it home through these free documentaries.

Miscellaneous

Watch these films to fill in the gaps in your scientific knowledge.