Episodes
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Ancient Maya Metropolis
S48 E22 - 53m 31s
The ancient ancestors of today’s Maya people thrived in large sophisticated cities across Central America for centuries. Why, around 750 CE, did they begin to abandon many of their major cities? Archaeologists investigate dramatic new evidence of the catastrophic droughts and instability that pushed cities beyond their limits.
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Alaskan Dinosaurs
S48 E21 - 53m 21s
A team of intrepid paleontologists discovers that dinosaurs thrived in the unlikeliest of places—the cold and dark of winter in the Arctic Circle. How did they survive year-round and raise their young in frigid and dark winter conditions?
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Butterfly Blueprints
S48 E20 - 53m 20s
The hidden scientific secrets of butterflies reveal them to be more inventive and resilient than we ever imagined. Follow their extraordinary life cycle and migrations to tropical rainforests, windswept prairies, and even inside a cocoon as it’s being spun.
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High-Risk High-Rise
S48 E8 - 52m 36s
Gleaming symbols of prestige, skyscrapers are an ingenious way to save space in dense urban areas. But even as we devise ways to defend them against fires, wind, and earthquakes, can we also make them more livable, interactive, and eco-friendly?
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NOVA Universe Revealed: Big Bang
S48 E19 - 53m 16s
The Big Bang is when the cosmos started and time itself began. With stunning animation based on space telescope images, NOVA winds back the ages to discover new clues about this ultimate genesis and what happened in the universe’s first few seconds.
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NOVA Universe Revealed: Black Holes
S48 E18 - 53m 16s
Take a seat on the ultimate thrill ride to explore nature’s strangest and most powerful objects. Discover new science showing how black holes reshape entire galaxies, warp the fabric of space and time, and might even be portals to another universe.
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NOVA Universe Revealed: Alien Worlds
S48 E17 - 53m 17s
Ultra-sensitive telescopes have transformed alien planet-hunting from science fiction into enthralling hard fact. Join NOVA on a visit to exotic worlds orbiting distant suns to answer an age-old question with thrilling new science: are we alone?
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NOVA Universe Revealed: Milky Way
S48 E16 - 53m 17s
Straddling the night sky, the Milky Way reminds us of our place in the galaxy we call home. But what shaped this giant spiral of stars and what will be its destiny? NOVA travels back in time to unlock the turbulent story of our cosmic neighborhood.
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NOVA Universe Revealed: Age of Stars
S48 E15 - 53m 17s
The sun is our life-giving source of light, heat, and energy, and new discoveries are unraveling its epic history. Join NOVA on a spectacular voyage to discover its place in a grand cycle of birth, death and renewal that makes this the age of stars.
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Edible Insects
S48 E14 - 53m 28s
From crunchy crickets to nutty fly grubs, NOVA takes a tasty look at insect foods and how they could benefit our health and our warming planet.
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Arctic Drift
S48 E13 - 53m 31s
Join scientists on the biggest Arctic research expedition of all time. Facing hungry polar bears, perilous sea ice cracks, and brutal cold, the team strives to understand the forces that are changing the region—and the world—forever.
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Particles Unknown
S48 E12 - 53m 28s
Outnumbering atoms a billion to one, neutrinos are the universe’s most common yet most elusive and baffling particle. NOVA joins an international team of neutrino hunters whose discoveries may change our understanding of how the universe works.
Extras + Features
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How Does a Brain on THC Compare to a Brain on CBD?
S48 - 4m 30s
A University of Utah study is analyzing the effects that two cannabinoids—psychoactive THC and non-intoxicating CBD—may have on the brain.
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Insects Make Protein More Efficiently Than Mammals
S48 E14 - 5m 14s
Unlike mammals—including those we raise to eat—insects can't generate their own body heat. This physiological difference has a major effect on the quantity of resources they need to grow.
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Was Eating Insects Key to Human Brain Evolution?
S48 E14 - 3m 32s
Our ancient ancestor Australopithecus likely foraged for termite larvae using tools made from bone. This source of fat could have helped brain development and growth, anthropologists believe.
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Edible Insects Promo
S48 E14 - 29s
From crunchy crickets to nutty fly grubs, NOVA takes a tasty look at insect foods and how they could benefit our health and our warming planet.
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Can this Cuttlefish Pass an Intelligence Test?
S48 - 9m 51s
Following days of training, the cuttlefish is faced with the decision to strike and devour one of two tempting prey: Will it wait for the live crayfish or immediately strike the shrimp? Its intriguing behavior is challenging our understanding of the origins of intelligence.
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MOSAiC Scientists Measure Arctic Sea Ice Volume
S48 E13 - 3m 5s
Scientists on the most ambitious Arctic research expedition of all time use remote sensing to help determine the volume of the Arctic's sea ice.
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Arctic Drift Preview
S48 E13 - 30s
Join scientists on the biggest Arctic research expedition of all time. Facing hungry polar bears, perilous sea ice cracks, and brutal cold, the team strives to understand the forces that are changing the region—and the world—forever.
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The Arctic Jet Stream Affects Global Climate. Here's Why.
S48 E13 - 3m 3s
A team of scientists explore the skies to learn how the Arctic atmosphere can have global implications.
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This Detector Can Catch Cosmic Neutrinos
S48 E12 - 3m 20s
In Antarctica, scientists have built the largest neutrino detector, which can catch cosmic neutrinos from billions of light-years away.
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Particles Unknown Preview
S48 E12 - 30s
Outnumbering atoms a billion to one, neutrinos are the universe’s most common yet most elusive and baffling particle. NOVA joins an international team of neutrino hunters whose discoveries may change our understanding of how the universe works.
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How Cannabis Affects Teens' Brains
S48 E11 - 3m 28s
To understand the effects cannabis has on the function and development of adolescents' brains, a clinical psychologist performs brain scans on teenagers that use the drug and those that don't.
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What is the Endocannabinoid System?
S48 E11 - 3m 49s
THC, the psychoactive component of cannabis, binds to receptors in and outside of the brain, causing cells to behave differently. Cannabinoid receptors, named after cannabis, are found in nearly every organ of the human body.
Schedule
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NOVA
Making North America: Life
Sunday
Apr 28
1 Hour
The intertwined story of life and the landscape in North America -- from origins to dinosaurs and an ancient primate invasion. -
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NOVA
Making North America: Life
Sunday
Apr 28
1 Hour
The intertwined story of life and the landscape in North America -- from origins to dinosaurs and an ancient primate invasion. -
Image
NOVA
Making North America: Life
Sunday
Apr 28
1 Hour
The intertwined story of life and the landscape in North America -- from origins to dinosaurs and an ancient primate invasion. -
Image
NOVA
Making North America: Life
Tuesday
Apr 30
1 Hour
The intertwined story of life and the landscape in North America -- from origins to dinosaurs and an ancient primate invasion. -
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NOVA
Wednesday
May 1
1 Hour
This long-running, award-winning documentary series focuses on science, its many applications, speculation, history and researchers. Inspired by the BBC documentary program "Horizons, " the U.S. series frequently features interviews with scientists directly involved in the topic at hand, and sometimes even boasts footage of a particular discovery. -
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NOVA
Making North America: Life
Wednesday
May 1
1 Hour
The intertwined story of life and the landscape in North America -- from origins to dinosaurs and an ancient primate invasion. -
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NOVA
Making North America: Human
Wednesday
May 1
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Making North America: Human
Wednesday
May 1
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Making North America: Human
Thursday
May 2
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Making North America: Human
Thursday
May 2
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Making North America: Human
Friday
May 3
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Making North America: Human
Sunday
May 5
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Making North America: Human
Sunday
May 5
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
Image
NOVA
Making North America: Human
Sunday
May 5
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Making North America: Human
Tuesday
May 7
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Making North America: Human
Wednesday
May 8
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Making North America: Human
Wednesday
May 8
1 Hour
From Ice Age to the oil boom, humans face challenges and uncover wealth hidden in North America's landscape. -
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NOVA
Why Bridges Collapse
Wednesday
May 8
1 Hour
The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down. -
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NOVA
Why Bridges Collapse
Wednesday
May 8
1 Hour
The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down. -
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NOVA
Why Bridges Collapse
Thursday
May 9
1 Hour
The 2018 collapse of a section of the Morandi Bridge in Genoa, Italy; bridge collapses in the U.S.; engineering techniques that can make bridges safer and prevent them from breaking down.
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