
3 Major Space Stories of 2022
Clip: Season 49 | 4m 6sVideo has Closed Captions
In 2023 the exploration continues.
From rocket launches, to dazzling new images, and even planetary defense, 2022 was a big year for space discovery.
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3 Major Space Stories of 2022
Clip: Season 49 | 4m 6sVideo has Closed Captions
From rocket launches, to dazzling new images, and even planetary defense, 2022 was a big year for space discovery.
Problems playing video? | Closed Captioning Feedback
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Clip: S49 | 4m 6s | In 2023 the exploration continues. (4m 6s)
This Teen Calculates Mind-Boggling Math in Her Head
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Clip: S49 | 3m 10s | Apoorva Panidapu earned the moniker “the human calculator” for her math skills. (3m 10s)
Scientists Make Breakthrough in Nuclear Fusion
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Clip: S49 | 1m 53s | The advancement could help pave the way for new energy sources. (1m 53s)
Oldest DNA Ever Found Reveals Secrets of the Ancient Arctic
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Clip: S49 | 4m 3s | Researchers drilled in the Kap København formation in Greenland to collect soil samples. (4m 3s)
Why Experts Say Permanent Daylight Saving Time is Unhealthy
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Clip: S49 | 4m 30s | Early morning sunlight is the key to setting our internal clocks. (4m 30s)
Why NASA is Going Back to the Moon
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Clip: S49 | 4m 53s | NASA’s Artemis I is a big step toward sending humans back to the moon. (4m 53s)
Watch the DART Spacecraft Smash into an Asteroid
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Clip: S49 | 51s | Could we deflect an asteroid barreling toward Earth? DART offers a first test. (51s)
How Storm Surges Work—and Why They’re So Deadly
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Clip: S49 | 4m 49s | The deadliest part of a hurricane isn’t the wind–it’s water. (4m 49s)
Sharks Are Showing Up Earlier—and Staying Longer
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Clip: S49 | 4m 18s | Tiger sharks are showing up off the coast of New England earlier. What’s going on? (4m 18s)
How Seaweed May Help Revive Our Oceans
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Clip: S49 | 4m 39s | Kelp’s ability to capture carbon from the ocean could help save marine ecosystems. (4m 39s)
The Hidden Cause of Traffic Jams—and How to Solve Them
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Clip: S49 | 6m 5s | Self-driving vehicles might be the solution for phantom traffic jams. (6m 5s)
The False Promise of Cloning Your Pet
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Clip: S49 | 6m 37s | Cloning has come a long way since Dolly the sheep, but it still has limits. (6m 37s)
This Device Smells Diseases by Imitating a Dog's Nose
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Clip: S49 | 4m 43s | Researchers at MIT create an electronic nose using chemical odor sensors. (4m 43s)
War Threatens Ukrainian Nuclear Power Plants
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Clip: S49 | 7m 9s | Ukraine's 15 active nuclear reactors generate about half of the country's electricity. (7m 9s)
Animal-to-Human Organ Transplants
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Clip: S49 | 4m 59s | In a first, a 57-year-old man received a heart transplant from a genetically modified pig. (4m 59s)
What is 5G, and is it Safe to Use on Planes?
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Clip: S49 | 5m 39s | The 5G signal works in a fundamentally different way from 4G. (5m 39s)
Introducing NOVA's Financial Lab
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Clip: S49 | 1m 22s | Practice making financial decisions by taking care of your pet through three mini-games. (1m 22s)
Can South Carolina's Salt Marshes Be Saved?
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Clip: S49 | 8m 27s | Many seafood dishes depend on an ecosystem that's easy to overlook: The salt marsh. (8m 27s)
From Prison to Careers in STEM
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Clip: S49 | 8m 12s | Watch how four accomplished scientists began their careers or education in prison. (8m 12s)
Could Antiviral Pills Change the Course of the Pandemic?
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Clip: S49 | 8m 12s | The FDA authorized use of the first antiviral pills to treat COVID-19 at home. (8m 12s)
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Preview: S49 Ep19 | 28s | Discover how the concepts of zero and infinity revolutionized mathematics. (28s)
Thought Experiment: The Infinite Hilbert's Hotel
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Clip: S49 Ep19 | 4m 9s | At the Hilbert’s Hotel, there’s always room for one more. (4m 9s)
The Area of a Circle, Explained with Pizza
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Clip: S49 Ep19 | 4m 23s | Finding the area of a circle is easy with pizza and infinity. (4m 23s)
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Clip: S49 Ep18 | 3m 30s | An artist and a tech entrepreneur invented the non-fungible token, or NFT, in 24 hours. (3m 30s)
The History of Crypto Goes Further Back Than You Think
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Clip: S49 Ep18 | 10m 2s | Computer scientists and digital rebels built the revolutionary crypto system. (10m 2s)
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Preview: S49 Ep18 | 30s | What exactly is crypto, and how does it work? This technology is more than just money. (30s)
Who Carved These Mysterious Lines in the Desert?
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Clip: S49 Ep17 | 6m 57s | Learn more about the ancient Nazca people and their ancestors, the Paracas. (6m 57s)
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Preview: S49 Ep17 | 27s | Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas. (27s)
Artificial Intelligence Reveals Ancient Desert Drawings
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Clip: S49 Ep17 | 4m 25s | Can AI help archaeologists uncover more Nazca geoglyphs? (4m 25s)
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Preview: S49 Ep16 | 28s | Meet one of the ocean’s most beautiful and destructive species: Lionfish. (28s)
Divers Hunt Venomous Fish Invading Our Oceans
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Clip: S49 Ep16 | 3m | Divers help turn the lionfish’s Atlantic invasion into a commercial opportunity. (3m)
Cats Might Be One of the Most Invasive Species
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Clip: S49 Ep16 | 2m 12s | Cats are responsible for hundreds of millions, if not billions of birds being eaten every (2m 12s)
Psychedelics as Medicine: The History of Peyote
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Clip: S49 Ep15 | 4m 2s | Indigenous communities use this small psychedelic cactus as a medicinal herb. (4m 2s)
How Psychedelics Change the Brain
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Clip: S49 Ep15 | 4m 11s | Scientists found that psychedelic drugs may change how brain regions talk to each other. (4m 11s)
Can Psychedelics Cure? Preview
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Preview: S49 Ep15 | 30s | Psychedelics are unlocking new ways to treat conditions like addiction and depression. (30s)
How Police Use Algorithms to Predict Crime
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Clip: S49 Ep14 | 5m 25s | Police are using artificial intelligence to predict crime. (5m 25s)
How Scientists Developed a Drug to Prevent HIV
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Clip: S49 Ep11 | 3m 5s | The development of PrEP was a breakthrough in HIV prevention. (3m 5s)
How Computer Algorithms Make Predictions
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Clip: S49 Ep14 | 2m 30s | Can we rely on them to be fair? (2m 30s)
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Preview: S49 Ep14 | 30s | Is artificial intelligence making policing and courts fairer, or is it increasing bias? (30s)
Saving Notre Dame’s Iconic Stone Vaulting
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Clip: S49 Ep13 | 2m 53s | Geologists attempt to restore limestone at Notre Dame Cathedral after a fire. (2m 53s)
Restoring Notre Dame's Iconic Stained Glass
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Clip: S49 Ep13 | 3m | Glass experts uncover the South Rose window’s hidden past. (3m)
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Preview: S49 Ep13 | 30s | A team tackles the restoration of iconic Notre Dame Cathedral. (30s)
This Flood Barrier Could Save Venice
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Clip: S49 Ep12 | 2m 57s | Venice is sinking. Could flood barriers be the answer? (2m 57s)
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Preview: S49 Ep12 | 30s | Can innovative engineering projects save Venice? (30s)
How Venice Was Built On a Swamp
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Clip: S49 Ep12 | 2m 54s | Ever wonder how Venice was built? Here’s how. (2m 54s)
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Preview: S49 Ep11 | 30s | Can innovative drugs and therapies finally end HIV? (30s)
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Clip: S49 Ep10 | 3m 40s | The farther away a galaxy is, the redder it appears to our telescopes. (3m 40s)
Ultimate Space Telescope Preview
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Preview: S49 Ep10 | 28s | Discover how NASA engineers built and launched the most ambitious telescope of all time. (28s)
NASA Reacts to the James Webb Space Telescope Images
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Clip: S49 Ep10 | 1m 55s | This NASA team was the first to see the new James Webb Space Telescope images. (1m 55s)
How Scientists Created JWST's First Test Image
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Clip: S49 Ep10 | 4m 50s | A test image from the James Webb Space Telescope unexpectedly captured many galaxies. (4m 50s)
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