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S42.E1 ∙ Big Bang Machine

Tue, Jan 13, 2015

CERN scientists prepare to restart the Large Hadron Collider, the largest and most powerful particle accelerator. It is to run it at a higher energy than before, when it detected a subatomic particle that may be the elusive Higgs boson.

7.9 /10

S42.E2 ∙ Sunken Ship Rescue

Tue, Jan 20, 2015

The effort to salvage the Costa Concordia cruise ship, which ran aground and capsized off the coast of Italy on January 13, 2012, killing 32 people, is chronicled.

7.8 /10

S42.E3 ∙ Sinkholes-Buried Alive

Tue, Jan 27, 2015

Sinkholes are examined. The collapses can be gradual or sudden; and occur when carbon dioxide in the air dissolves in rainwater and forms an acid that weakens limestone and other water-soluble rocks beneath the soil.

7.4 /10

S42.E4 ∙ Colosseum: Roman Death Trap

Tue, Feb 10, 2015

Archaeologists and engineers employ ancient Roman techniques to build an elevator and trap-door system similar to those used in the Colosseum, where wild animals emerged, as if by magic, from beneath the floor.

7.6 /10

S42.E5 ∙ Petra: Lost City of Stone

Tue, Feb 17, 2015

A look at the ancient city of Petra in Jordan, which was carved from stone and possessed an ingenious water-conduit system. Archaeologist and sculptors join forces to carve a temple-tomb to learn how the people of Petra built the city.

7.6 /10

S42.E6 ∙ Hagia Sophia: Istanbul's Mystery

Tue, Feb 24, 2015

Architects and engineers investigate the secrets behind Istanbul's Hagia Sophia, which has survived on one of the world's most active seismic faults since it was built in 537 A.D.

7.6 /10

S42.E7 ∙ The Great Math Mystery

Tue, Apr 14, 2015

An exploration of mathematics, including where it comes from and why it explains the physical world; and whether it's a human invention or a hidden language of the universe.

7.6 /10

S42.E8 ∙ Invisible Universe Revealed

Tue, Apr 21, 2015

The story of the Hubble Space Telescope, which was launched into orbit in 1990. It since has provided stunning images; helped astronomers determine the age of the universe; and advanced the understanding of dark energy and cosmic expansion

8.1 /10

S42.E9 ∙ Nazi Attack on America

Tue, May 05, 2015

The wreckage of WWII-era German submarine U-166, which sank in the Gulf of Mexico in 1942, is examined. The U-boat was part of Operation Drumbeat, a Nazi operation that targeted East Coast cities and merchant ships.

7.8 /10

S42.E10 ∙ Lethal Seas

Tue, May 12, 2015

How carbon emissions are impacting the world's oceans. Included: a coral garden in Papua New Guinea that could offer a preview of what the seas will be like in a half-century.

7.3 /10

S42.E11 ∙ Chasing Pluto

Tue, Jul 14, 2015

NOVA captures New Horizons' historic flyby of Pluto, the culmination of the spacecraft's nine-year, three-billion-mile journey to reveal the first ever detailed images of this strange, icy world at the very edge of our solar system.

7.9 /10

S42.E12 ∙ Nuclear Meltdown Disaster

Tue, Jul 28, 2015

Four years after one of history's worst nuclear accidents, NOVA reveals the minute-by-minute story of the Fukushima nuclear crisis and its ongoing aftermath, told by the brave workers who stayed behind as an earthquake and tsunami crippled the plant.

7.3 /10

S42.E13 ∙ Dawn of Humanity

Tue, Sep 15, 2015

Deep in a South African cave, an astounding discovery reveals clues to what made us human.

7.7 /10

S42.E14 ∙ Arctic Ghost Ship

Tue, Sep 22, 2015

160 years ago, the Franklin Expedition to chart the Northwest Passage vanished. NOVA is on board as a Canadian team makes a breakthrough discovery of one of Franklin's lost ships--a vital new clue to the fate of the ill-starred expedition.

7.3 /10

S42.E15 ∙ Secrets of Noah's Ark

Tue, Oct 06, 2015

A new version of the biblical flood story includes instructions for assembling an ark.

6.3 /10

S42.E16 ∙ Cyberwar Threat

Tue, Oct 13, 2015

Cyber weapons have the ability to inflict physical damage on factories, power plants and pipelines.

7.3 /10

S42.E17 ∙ Animal Mummies

Tue, Oct 27, 2015

Animal mummies from the Egyptian catacombs are examined. Also discussed, the role of animals in Egyptian beliefs.

6.8 /10

S42.E18 ∙ Making North America: Origins

Tue, Apr 16, 2024

The shaping of North America, including palm trees that once thrived in Alaska and an eruption that nearly tore the Midwest in two.

7.6 /10

S42.E19 ∙ Making North America: Life

Tue, Apr 23, 2024

How life emerged in North America; and why the continent was home to many iconic dinosaurs, including the T. rex. Included: a trip to the Badlands of North Dakota and desert wilderness of southern Utah highlights dinosaur discoveries.

7.6 /10