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Curiosity Stream

Oil and natural gas helped power the modern world, but finding them is becoming harder than ever. Explore the science behind conventional and unconventional hydrocarbons and the technologies used to extract them.

Butterfly Effect

Conventional and Unconventional Hydrocarbons: Nature's Double-Edge Gift to Mankind

Once imagined as science fiction, lasers are now essential tools in modern life. From communication to medicine, discover how this focused beam of light has transformed technology and continues to reshape how we interact with the world.

Lasers: A Beam for All Purposes

Parasites may be some of the most influential and misunderstood organisms on Earth. Explore the hidden relationships between host and invader and discover how these often-overlooked organisms shape evolution, disease and the balance of life on Earth.

The Galaxy of Parasites

Big movements of change that have often started with tiny events or personal decisions, and ended up affecting history.

The Photoelectric Effect, What a Crazy Effect!

Understanding blood circulation transformed medicine forever; travel through the body's intricate pathways to see how this life-sustaining system works and how uncovering its secrets changed the trajectory of human health.

Blood Circulation: At the Heart of History

From ancient sun-based rhythms to atomic clocks, humanity has continually redefined time. Scientific breakthroughs, from pendulums to relativity, reveal time as a flexible dimension that shapes how we experience the universe.

Time: In Less Than 30 Minutes Flat

The universe is expanding faster than expected, driven by a mysterious force known as dark energy. From Einstein's theories to modern observations, scientists investigate the unseen power shaping the cosmos and redefining our understanding of space.

Dark Energy: The Ghost of the Cosmos

From ancient tools to modern electronics, materials have directed the course of civilization; exploring how breakthroughs in metals, polymers and ceramics mark decisive moments where technology and history shift.

Materials: From Flint to Silicon

Nuclear fusion powers the stars and can revolutionize life on Earth; discover the science behind this cosmic reaction and the global race to harness it, as researchers edge toward a turning point in the future of clean energy.

Nuclear Fusion: When Humans Create Suns...

From careful observation to bold experimentation, the scientific method transforms how we seek out truth. This system of questioning, testing and proof turns wonder into knowledge-and lays the groundwork for breakthroughs.

The Scientific Method: Towards Infinity and Beyond

Journey into the hidden world of radioactivity, a force once invisible to humanity. From the discovery of X-rays to Marie Curie's breakthroughs, uncover how this powerful energy now drives modern life, from electricity to medicine.

Radioactivity: For Better or for Worse

The essentials for national sports, news, and entertainment.

ENTERTAINMENT

The essentials, plus regional sports, MLB, NBA, college sports networks, and more.

CHOICE™

A full range of regional and national sports, news, entertainment, perfect for the whole family.

ULTIMATE

The most for TV lovers, popular premium networks included, plus regional and national sports.

PREMIER™

Enjoy ad-supported channels free of charge with MyFree DIRECTV.

MyFree DIRECTV

Popular entertainment channels. Includes Disney+, Hulu Bundle, and HBO Max Basic With Ads.

MyEntertainment

MyLocals

Add 10 additional Movie channels. Requires MyNews, MyEntertainment, MySports, or MyKids Base Pack.

MyCinema

MyNewsLocals

Add 9 additional Sports channels. Requires MySports Base Pack

MySportsExtra

Sports and broadcast networks. Includes ESPN Unlimited subscription.

MySports

Engaging channels for nonstop fun and learning made just for kids. Includes Disney+.

MyKids

Channels that focus on breaking news and information. Local channels included and vary by market.

MyNews

In-market Regional Sports Networks and National sports channels. Requires MySports base pack.

MyHomeTeam

60+ popular channels. Includes subscription to ViX Premium with ads!

MiEspanol

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Watch Euphoria on HBO and the HBO Max app, included with an HBO Max subscription. 

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Welcome to your ultimate entertainment destination. Watch new episodes of School Spirits and more all in one network.

Watch exclusive originals like sci-fi, horror FROM, Hollywood hit movies & more.

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Watch visionary original series like Outlander, Outlander: Blood of My Blood, Spartacus: House of Ashur, Power Book, BMF and much more.

Watch Hollywood hits like Furiosa: A Mad Max Saga, Godzilla x Kong: The New Empire, and more.

S5 E8 | Blood Circulation: At the Heart of History