Inside the Fight To Develop a Malaria Vaccine

The World Health Organization approved anti-malaria vaccine, R-21, in 2023. Children in Ivory Coast were the first to receive the vaccine in July of 2024.

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Clip Season 50 Episode 17 Length 04:18 Premiere: 11/15/23

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Evolution: Brain Power

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Clips & Previews

Why Mosquitos Are Humanity’s Deadliest Creature

Clip Length 03:37 Premiere Date 11/15/23

How Malaria Shaped America

Clip Length 02:34 Premiere Date 11/15/23

Inside the Fight To Develop a Malaria Vaccine

Clip Length 04:18 Premiere Date 11/15/23

Rare Fossil Appears to Show Mammal Attacking Dinosaur

Clip Length 03:26 Premiere Date 07/28/23

The nation’s first big offshore wind farm is coming

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The Mystery and Physics of the Spiral Football Pass

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Clip Length 32:26 Premiere Date 01/25/23

Specials

Interview: The Fusion Future with Dennis Whyte

Length 1:30:21 Premiere Date 10/08/26

Interview: Talking Dogs, Grumpy Cats, and Animal Communication with Federico Rossano

Length 1:19:51 Premiere Date 09/24/26

Interview: How to Save The “Doomsday Glacier” with Brent Minchew

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Length 1:16:29 Premiere Date 08/27/26

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Length 58:04 Premiere Date 08/13/26

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Length 1:08:49 Premiere Date 07/30/26

Interview: Good Anxiety, Exercise, and Connection on the Brain with Wendy Suzuki

Length 1:15:20 Premiere Date 07/16/26

Interview: T. Rex to Birds with Steve Brusatte

Length 1:24:42 Premiere Date 07/02/26

Interview: Dark Matter = Black Holes? with David Kaiser

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Interview: Discovering Dark Energy and the Hubble Tension with Nobel Prize Winner Adam Riess

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Length 1:28:59 Premiere Date 10/07/25

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Length 1:25:01 Premiere Date 08/26/25

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From Mud to Rock

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Finding Stromatolites

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Stromatolites Were Kings

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Fossilized Sand Dunes

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Volcanoes of Sand

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Rockies 2.0

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Length 01:18 Premiere Date 08/02/15

Monument Rocks 2

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Exuma Cays 3

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Exuma Cays 4

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Gooseberry Falls 2

Length 00:24 Premiere Date 08/02/15

Gooseberry Falls 3

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Gooseberry Falls 4

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Length 01:30 Premiere Date 08/02/15

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Length 01:19 Premiere Date 08/02/15

Grand Canyon 2

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Grand Canyon 3

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Grand Canyon 4

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Dolphin Mirror

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Animal Robot 2

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Elephant Arm

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FinGripper

Length 00:55 Premiere Date 10/19/13

Sail Wing

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Hydrofoil

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Chicken Feathers

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Muon Detection

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Muons

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Plants White

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DNA Patch

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DNA Vaccine

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SLIPS

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Silicon Transistors

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Length 01:41 Premiere Date 05/29/13

CloudLab_Megastorm_04

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CloudLab_Megastorm_05

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Length 00:40 Premiere Date 05/29/13

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Length 03:07 Premiere Date 05/29/13

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Length 00:35 Premiere Date 05/28/13

CloudLab_Megastorm_02

Length 00:31 Premiere Date 05/28/13

What Made the 1918 Flu So Deadly?

Length 01:28 Premiere Date 05/13/13

How the 1918 Flu Infected People

Length 00:25 Premiere Date 05/13/13

Fertilizing the Amazon

Length 03:27 Premiere Date 04/21/13

Flu Probabilities

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Rare Earth Elements

Length 04:17 Premiere Date 04/01/13

CHNOPS: Ingredients for Life

Length 02:36 Premiere Date 03/12/13

Electromagnetic Spectrum

Length 00:44 Premiere Date 02/28/13

MODIS Sensor

Length 00:26 Premiere Date 02/28/13

Solving the Storage Problem

Length 02:26 Premiere Date 10/25/12

Putting Energy to Use Old

Length 02:14 Premiere Date 10/08/12

Season 50 Episodes

Show Episodes

Show Clips & Previews

Lee and Liza's Family Tree

S50 E18 Length 53:30 Premiere Date 11/22/23

The Battle to Beat Malaria

S50 E17 Length 53:54 Premiere Date 11/15/23

Inside China's Tech Boom

S50 E16 Length 53:20 Premiere Date 11/08/23

Ancient Earth: Humans

S50 E15 Length 53:15 Premiere Date 11/01/23

Ancient Earth: Inferno

S50 E14 Length 53:45 Premiere Date 10/25/23

Ancient Earth: Life Rising

S50 E13 Length 53:47 Premiere Date 10/18/23

Ancient Earth: Frozen

S50 E12 Length 53:46 Premiere Date 10/11/23

Ancient Earth: Birth of the Sky

S50 E11 Length 53:47 Premiere Date 10/04/23

Hidden Volcano Abyss

S50 E8 Length 53:19 Premiere Date 05/10/23

Why Mosquitos Are Humanity’s Deadliest Creature

Clip Length 03:37 Premiere Date 11/15/23

How Malaria Shaped America

Clip Length 02:34 Premiere Date 11/15/23

Inside the Fight To Develop a Malaria Vaccine

Clip Length 04:18 Premiere Date 11/15/23

Rare Fossil Appears to Show Mammal Attacking Dinosaur

Clip Length 03:26 Premiere Date 07/28/23

The nation’s first big offshore wind farm is coming

Clip Length 05:22 Premiere Date 07/21/23

What Made the Titan Submersible Design Unconventional?

Clip Length 05:05 Premiere Date 07/03/23

Could Whale Poop Help Cool the Planet?

Clip Length 02:43 Premiere Date 05/12/23

This Fungus Is Spreading Rapidly in Hospitals

Clip Length 03:24 Premiere Date 04/24/23

There’s Something Living in Wildfire Smoke

Clip Length 01:59 Premiere Date 04/11/23

How the West Is Making It Rain, With Science

Clip Length 06:22 Premiere Date 04/10/23

Soothing Science: The Light You See at Sunset

Clip Length 08:01 Premiere Date 04/04/23

The Mystery and Physics of the Spiral Football Pass

Clip Length 03:43 Premiere Date 02/13/23

Astronaut Walter Cunningham on the Historic Apollo 7 Mission

Clip Length 32:26 Premiere Date 01/25/23

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Evolution: Need to Feed - S53 E14

The surprising story of how our planet's diverse creatures became the furious feeding machines they are today.

Wednesday October 21, 2026 9:00 pm ET on KET
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Evolution: Body Builders - S53 E15

Discover the process behind the incredible variety of animal shapes and sizes.

Wednesday October 28, 2026 9:00 pm ET on KET
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Evolution: The Mating Game - S53 E16

Discover how the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.

Wednesday November 4, 2026 9:00 pm ET on KET
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Evolution: On the Run - S53 E17

An evolutionary ride from early aquatic ancestors to highly optimized runners like the horse.

Wednesday November 11, 2026 9:00 pm ET on KET
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NOVA Universe Revealed: Age of Stars - S48 E15

Premiered On: 10/27/2021

The Hubble Space Telescope and a heat-resistant solar probe reveal new clues about the sun's 5-billion-year history.

Monday November 16, 2026 5:00 pm ET on KET
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NOVA Universe Revealed: Milky Way - S48 E16

Premiered On: 11/03/2021

Explore the history of the Milky Way, including what shaped this spiral of stars, gas and dust and what its destiny will be.

Tuesday November 17, 2026 5:00 pm ET on KET
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NOVA Universe Revealed: Alien Worlds - S48 E17

Premiered On: 11/10/2021

New science and discoveries made possible by ultra-sensitive telescopes and detective work transform alien planet-hunting from science fiction into fact.

Wednesday November 18, 2026 5:00 pm ET on KET
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NOVA Universe Revealed: Black Holes - S48 E18

Premiered On: 11/17/2021

A new generation of high-powered telescopes brings black holes to light. Animation reveals what happens when objects stray too close to a black hole's point of no return.

Thursday November 19, 2026 5:00 pm ET on KET
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NOVA Universe Revealed: Big Bang - S48 E19

Premiered On: 11/24/2021

Nova probes the mystery of the Big Bang with stunning animation based on space telescope images.

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Evolution: Brain Power - S53 E13

Tuesday October 20, 2026 1:00 am ET on KET2
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Space Wars - S53 E12

Tuesday October 13, 2026 1:00 am ET on KET2
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Stone Age Masterpiece - S53 E11

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Knowledge Keepers - S53 E10

Tuesday September 29, 2026 1:00 am ET on KET2
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The Battle to Breathe - S53 E9

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Top

Inside the Fight To Develop a Malaria Vaccine

Recent Episodes

Evolution: Brain Power

Space Wars

Stone Age Masterpiece

Knowledge Keepers

The Battle to Breathe

Sponsored by:

Clips & Previews

Why Mosquitos Are Humanity’s Deadliest Creature

How Malaria Shaped America

Inside the Fight To Develop a Malaria Vaccine

Rare Fossil Appears to Show Mammal Attacking Dinosaur

The nation’s first big offshore wind farm is coming

What Made the Titan Submersible Design Unconventional?

Could Whale Poop Help Cool the Planet?

This Fungus Is Spreading Rapidly in Hospitals

There’s Something Living in Wildfire Smoke

How the West Is Making It Rain, With Science

Soothing Science: The Light You See at Sunset

The Mystery and Physics of the Spiral Football Pass

Astronaut Walter Cunningham on the Historic Apollo 7 Mission

Specials

Interview: The Fusion Future with Dennis Whyte

Interview: Talking Dogs, Grumpy Cats, and Animal Communication with Federico Rossano

Interview: How to Save The “Doomsday Glacier” with Brent Minchew

Interview: The Hidden Math Behind Everything with Jordan Ellenberg

Interview: Hobbits, Neanderthals, and Dragon Man with Ella Al-Shamahi

Interview: The Future of AI and Us with Daniela Rus

Interview: Good Anxiety, Exercise, and Connection on the Brain with Wendy Suzuki

Interview: T. Rex to Birds with Steve Brusatte

Interview: Dark Matter = Black Holes? with David Kaiser

Interview: Discovering Dark Energy and the Hubble Tension with Nobel Prize Winner Adam Riess

Interview: Evolution of New Species, Venom, Wings, and More with Sean B. Carroll

Interview: De-Extinction, Dire Wolves, and Jurassic Park with Beth Shapiro

Particles of Thought: The Extremophile’s Guide to Life

Interview: The Animal Translator with Erich Jarvis

Interview: Brain Guru with Heather Berlin

Interview: Bob and Mike’s Big Idea with Bob Hazen and Mike Wong

Interview: Black Hole Badass with Janna Levin

Interview: The Deepfake Detective with Hany Farid

Interview: Mind of a Fossil Hunter with Kirk Johnson

When Machines Prescribe

Sands of Time

Keepers of the Coastline

Tides of Tradition

Standing the Heat

Megadroughts and Indigenous Voices

Harvesting the Future

Sea Change: Survival in the Gulf of Maine

Sea Change: Peril in the Gulf of Maine

Sea Change: Bounty in the Gulf of Maine

When Whales Could Walk (Español)

Ancient Builders of the Amazon (Español)

Ancient Maya Metropolis (Español)

Picture a Scientist (with Audio Description)

Treasures Metals Eiffel Tower

A Labyrinth of Lava

From Mud to Rock

Finding Stromatolites

Stromatolites Were Kings

Ancient Life

Millions of Years Captured in Chalk

A Fourteen-Foot Fish From Kansas

Hell Creek Formation

No Dinosaurs Above the Line

Mammal Survivors

Dinosaur Fossils

King of Gore

Driving Dinosaur Diversity

Pangea

Making Granite From Volcanic Rock

A Massive Volcanic Eruption

Rock Time Capsules

The Sandstone Top of the Canyon

Fossil-Filled Limestone

The Grand Canyon's Oldest Rocks

From Lava to Land

Semi-Precious Pebbles

Five Steps of Volcanic Rock