Episode 1
Aired Jan 2, 2019
Pluto and Beyond
New Horizons prepares to fly by an object known as MU69 on Jan. 1, 2019, which is expected to be the most distant flyby in NASA's history.
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Episode 2
Aired Jan 9, 2019
Einstein's Quantum Riddle
An experiment in the Canary Islands uses quasars at opposite ends of the universe to settle the debate over the physical phenomenon of quantum entanglement.
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Episode 3
Aired Jan 23, 2019
Kïlauea: Hawai'i on Fire
An investigation into the increased activity at the Kilauea volcano in Hawaii, and a look at why these geologically distinctive volcanoes formed in the middle of the Pacific.
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Episode 4
Aired Feb 6, 2019
Decoding the Great Pyramid
Archaeological research by Mark Lehner and Zahi Hawass sheds light on some of the mysteries of the Egyptian pyramids.
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Episode 5
Aired Feb 13, 2019
Rise of the Rockets
Private companies develop new ways to allow for more human activity in space; NASA builds a rocket that goes far beyond Earth.
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Episode 6
Aired Feb 20, 2019
The Next Pompeii
Assessing the risk of a potential eruption of an ancient supervolcano under the Italian city of Naples.
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Episode 7
Aired Apr 24, 2019
Saving the Dead Sea
Scientists, engineers and political leaders devise a plan to save the Dead Sea, whose levels have declined by more than 65 feet since 1976.
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Episode 8
Aired May 8, 2019
Inside the Megafire
Scientists try to determine the cause for the increasing megafire threat by exploring the physics of fire, how firestorms move and travel and by analyzing aerial drone and satellite data to catch fires before they start.
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Episode 9
Aired May 15, 2019
First Horse Warriors
Canadian anthropologist Niobe Thompson travels to sites in Kazakhstan, genetics labs in Denmark and anthropology museums in Russia to unlock mysteries surrounding the first riders of wild horses.
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Episode 10
Aired May 22, 2019
Lost Viking Army
Forensic archaeologist Cat Jarman and her team investigate the Great Heathen army, a legendary Viking fighting force that invaded England in the 9th century.
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Episode 11
Aired Jul 10, 2019
Back to the Moon
Fifty years after humans first stepped foot on the moon, engineers, scientists and entrepreneurs engage in new discoveries to make life on the moon a reality.
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Episode 12
Aired Jul 24, 2019
The Planets: Inner Worlds
The rocky planets Mercury, Venus, Earth and Mars all have similar origins, but only one supports life.
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Episode 13
Aired Jul 24, 2019
The Planets: Mars
The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life.
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Episode 14
Aired Jul 31, 2019
The Planets: Jupiter
Jupiter's gravitational force made it a wrecking ball as it barreled through the early solar system, but it also helped shape life on Earth as it brought comets laden with water and possibly the asteroid that put an end to the dinosaurs.
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Episode 15
Aired Aug 7, 2019
The Planets: Saturn
NASA's Cassini probe explores Saturn's icy rings and moons, capturing ring-moon interactions and revealing ingredients for life on the moon Enceladus.
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Episode 16
Aired Aug 14, 2019
The Planets: Ice Worlds
Uranus and Neptune's unexpected rings, supersonic winds and dozens of moons; an up-close view of Pluto before exploring the Kuiper belt.
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Episode 17
Aired Oct 16, 2019
Why Bridges Collapse
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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Episode 18
Aired Oct 23, 2019
Look Who's Driving
Exploring the possibility of self-driving cars, including whether they could really be safer than human drivers.
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Episode 19
Aired Oct 30, 2019
Rise of the Mammals
A new trove of fossils reveals how mammals took over after an asteroid wiped out the dinosaurs 66 million years ago.
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Episode 20
Aired Nov 6, 2019
Dead Sea Scroll Detectives
New technologies help scientists decipher the ancient Dead Sea Scrolls, and also study newly surfaced fragments to see if they are forfeited.
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Episode 21
Aired Nov 13, 2019
Decoding da Vinci
A visit to Florence, Italy, to explore how Leonardo da Vinci used science, from human dissections to innovative painting techniques, to create his artwork.
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Episode 22
Aired Nov 20, 2019
The Violence Paradox
A journey through history and the human mind to explore violence, and how a more peaceful world can be created.
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Episode 23
Aired Nov 27, 2019
Animal Espionage
Camera traps and drones offer an up-close look at animals without disturbing them, providing insight into the secret world of animals, including whales, tigers and giant armadillos.
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