Nova

1Season 41

S41.E1 ∙ Alien Planets Revealed

Wed, Jan 8, 2014

A look at new worlds uncovered by NASA's planet-hunting Kepler Telescope, including whether any are like Earth and the type of life they might support.

2Season 41

S41.E2 ∙ Zeppelin Terror Attack

Wed, Jan 15, 2014

A look at the enormous, hydrogen-filled dirigibles that Germany used during World War I to bomb Britain, as well as the defense systems that Britain developed in an attempt to neutralize them.

3Season 41

S41.E3 ∙ Killer Typhoon

Wed, Jan 22, 2014

A look at Typhoon Haiyan, which killed thousands and left millions homeless when it struck the Philippines on Nov. 8, 2013, with 200-mph winds and a two-story-high storm surge.

4Season 41

S41.E4 ∙ Ghosts of Murdered Kings

Wed, Jan 29, 2014

The discovery of a prehistoric torso in a dried-up bog in Ireland leads archaeologists and forensic experts to investigate the find, which is dated to the Bronze Age.

5Season 41

S41.E5 ∙ Roman Catacomb Mystery

Wed, Feb 5, 2014

An investigation of a mass grave found in the catacombs beneath the streets of Rome sheds insight into ancient Romans' daily lives and health.

6Season 41

S41.E6 ∙ Great Cathedral Mystery

Wed, Feb 12, 2014

Examining the 15th-century dome that crowns the cathedral of Santa Maria del Fiore in Florence, Italy. Known as the Duomo, it consists of four million bricks, is taller than the Statue of Liberty and weighs about the same as a cruise ship.

7Season 41

S41.E7 ∙ Wild Predator Invasion

Wed, Apr 2, 2014

The effort to return apex predators-such as coyotes, bears and panthers-to the wild in order to restore the natural balance to off-kilter ecosystems is detailed.

8Season 41

S41.E8 ∙ Inside Animal Minds: Bird Genius

Wed, Apr 9, 2014

An examination of the mental prowess of birds. Included: a wild crow focused on an eight-step puzzle; and a raven that can solve a puzzle box so fast that high-speed photography is needed to document it.

9Season 41

S41.E9 ∙ Inside Animal Minds: Dogs & Super Senses

Wed, Apr 16, 2014

How animals use their senses. Included: the differences between wolves and dogs in how they interpret visual information and smells, as well as why they differ; and the ways in which animal brains process information provided by the senses

10Season 41

S41.E10 ∙ Inside Animal Minds: Who's the Smartest?

Wed, Apr 23, 2014

An examination of animal intelligence. Scientists have observed that many clever creatures live in complex social groups, including apes, dolphins and elephants.

11Season 41

S41.E11 ∙ Why Sharks Attack

Wed, May 7, 2014

Shark experts in Australia and the U.S. investigate the hunting instincts of the great white shark.

12Season 41

S41.E12 ∙ Escape from Nazi Alcatraz

Wed, May 14, 2014

Aero engineers and carpenters attempt to replicate an ingenious escape plan from Oflag IV-C, a POW camp at Colditz Castle in Germany that held Allied officers during World War II, to see if it would have succeeded.

13Season 41

S41.E13 ∙ D-Day's Sunken Secrets

Wed, May 28, 2014

Submersibles, underwater robots and 3D mapping tools are used to discover, identify and plot the relics on the sea floor near Normandy, France, the site of the Allies' D-Day invasion during World War II.

14Season 41

S41.E14 ∙ Vaccines - Calling the Shots

Wed, Sep 10, 2014

The science of vaccination, and the personal medical consequences when too many people decline to cooperate in the public health measure.

15Season 41

S41.E15 ∙ Rise of the Hackers

Wed, Sep 24, 2014

The experts battling to protect data from hackers are spotlighted. Included: the men who discovered an advanced cyber weapon; the computer expert who figured out how to hack ATMs.

16Season 41

S41.E16 ∙ Why Planes Vanish

Wed, Oct 8, 2014

An examination of the disappearance of Malaysia Airlines Flight MH370 and how airplane tracking systems could be improved to prevent a similar occurrence.

17Season 41

S41.E17 ∙ Surviving Ebola

Wed, Oct 8, 2014

A recounting of the 2013-15 West African Ebola epidemic and the efforts to contain it.

18Season 41

S41.E18 ∙ Ben Franklin's Balloons

Wed, Oct 8, 2014

The daring aeronauts of 18th-century Paris, who took flight in hot-air and gas balloons are recalled. Included: recreations of key flights, including the first manned voyage on November 21, 1783.

19Season 41

S41.E19 ∙ First Air War

Wed, Oct 22, 2014

An exploration of the development of aerial warfare in World War One.

20Season 41

S41.E20 ∙ Bigger Than T. Rex

Wed, Nov 5, 2014

A team of palaeontologists led by Nizar Ibrahim go in search of Spinosaurus, a giant meat eater believed to be even larger than Tyrannosaurus rex.

21Season 41

S41.E21 ∙ Emperor's Ghost Army

Wed, Nov 12, 2014

Nova's examination or how thousands to terra cotta soldiers in Qin dynasty's terra cotta army were created digresses into reviews of Qin history and technology.

22Season 41

S41.E22 ∙ Killer Landslides

Wed, Nov 19, 2014

Scientists examine the causes of the 2014 Oso, Washington, landslide, the worst in decades.

23Season 41

S41.E23 ∙ First Man on the Moon

Wed, Dec 3, 2014

A look inside the life of Neil Armstrong, the first man on the moon.