Nova

1Season 42

S42.E1 ∙ Big Bang Machine

Wed, Jan 14, 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.

2Season 42

S42.E2 ∙ Sunken Ship Rescue

Wed, Jan 21, 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.

3Season 42

S42.E3 ∙ Sinkholes-Buried Alive

Wed, Jan 28, 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.

4Season 42

S42.E4 ∙ Colosseum: Roman Death Trap

Wed, Feb 11, 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.

5Season 42

S42.E5 ∙ Petra: Lost City of Stone

Wed, Feb 18, 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.

6Season 42

S42.E6 ∙ Hagia Sophia: Istanbul's Mystery

Wed, Feb 25, 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.

7Season 42

S42.E7 ∙ The Great Math Mystery

Wed, Apr 15, 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.

8Season 42

S42.E8 ∙ Invisible Universe Revealed

Wed, Apr 22, 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

9Season 42

S42.E9 ∙ Nazi Attack on America

Wed, May 6, 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.

10Season 42

S42.E10 ∙ Lethal Seas

Wed, May 13, 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.

11Season 42

S42.E11 ∙ Chasing Pluto

Wed, Jul 15, 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.

12Season 42

S42.E12 ∙ Nuclear Meltdown Disaster

Wed, Jul 29, 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.

13Season 42

S42.E13 ∙ Dawn of Humanity

Wed, Sep 16, 2015

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

14Season 42

S42.E14 ∙ Arctic Ghost Ship

Wed, Sep 23, 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.

15Season 42

S42.E15 ∙ Secrets of Noah's Ark

Wed, Oct 7, 2015

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

16Season 42

S42.E16 ∙ Cyberwar Threat

Wed, Oct 14, 2015

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

17Season 42

S42.E17 ∙ Animal Mummies

Wed, Oct 28, 2015

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

18Season 42

S42.E18 ∙ Making North America: Origins

Wed, Nov 4, 2015

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

19Season 42

S42.E19 ∙ Making North America: Life

Wed, Nov 11, 2015

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.

20Season 42

S42.E20 ∙ Making North America: Human

Wed, Nov 18, 2015

The influence of geology on the human occupation of North America is described.

21Season 42

S42.E21 ∙ Inside Einstein's Mind

Wed, Nov 25, 2015

An examination of how Albert Einstein developed the theory of general relativity, which reshaped the understanding of gravity, space and time.