Nova

1Season 43

S43.E1 ∙ Secret Tunnel Warfare

Wed, Jan 6, 2016

To avoid trampling historical "World War I trench warfare tunnels" in Belgium archaeologists were brought to clear a path for the construction of a pipeline.

2Season 43

S43.E2 ∙ Life's Rocky Start

Wed, Jan 13, 2016

Mineralogist Robert Hazen explores the role that rocks may have played in the creation of life on Earth.

3Season 43

S43.E3 ∙ Mystery Beneath the Ice

Wed, Jan 20, 2016

What happened to a quarter quadrillion krill and what does it mean for some of our favorite animals; penguins, whales and seals. Scientists are determined to find out if we should relax, worry or panic.

4Season 43

S43.E4 ∙ Himalayan Megaquake

Wed, Jan 27, 2016

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

5Season 43

S43.E5 ∙ Creatures of Light

Wed, Feb 3, 2016

Deep-sea scientists study the undersea world of creatures that flash, sparkle, shimmer or glow.

6Season 43

S43.E6 ∙ Memory Hackers

Wed, Feb 10, 2016

An examination of how memory works. Included: research being done by neuroscientists, who've studied everyone from an 11 year old with extraordinary recall to a woman who had false memories implanted in her mind.

7Season 43

S43.E7 ∙ Iceman Reborn

Wed, Feb 17, 2016

Murdered more than 5,000 years ago, Otzi the Iceman is the oldest human mummy on Earth. Now, newly discovered evidence sheds light not only on this mysterious ancient man, but on the dawn of civilization in Europe.

8Season 43

S43.E8 ∙ Rise of the Robots

Wed, Feb 24, 2016

Machines with human-like capabilities have long been the stuff of science fiction. Until now. Meet the world's most advanced humanoid robots as they leave the lab, battle real-world challenges, and endeavor to become part of our everyday lives.

9Season 43

S43.E9 ∙ Vikings Unearthed

Mon, Apr 4, 2016

They were pioneering warriors, expert seafarers, and colonists of the North Atlantic realm. The Vikings even claimed in their sagas to have reached America. Now, renowned archaeologist Sarah Parcak uncovers new clues about their legendary expeditions and settlements.

10Season 43

S43.E10 ∙ Can Alzheimer's Be Stopped?

Wed, Apr 13, 2016

The work of scientists to determine the cause of Alzheimer's disease is detailed. Included: major drug trials aimed at discovering therapies to slow and even prevent the disease.

11Season 43

S43.E11 ∙ Wild Ways

Wed, Apr 20, 2016

From Yellowstone to the Yukon, to Southern Africa's elephant highways stretching across five nations, explore how newly established wildlife corridors may offer a glimmer of hope to some of our planet's most cherished-but endangered-species.

12Season 43

S43.E12 ∙ Operation Lighthouse Rescue

Wed, May 4, 2016

Engineers work to save historic Gay Head Lighthouse on Martha's Vineyard, which is falling victim to the ocean's erosion of the island's cliffs.

13Season 43

S43.E13 ∙ Bombing Hitler's Supergun

Wed, May 11, 2016

Historians and engineers investigate how Allied forces conspired to destroy Hitler's "supergun".

14Season 43

S43.E14 ∙ 15 Years of Terror

Wed, Sep 7, 2016

Investigate the psychology of a terrorist and examine how radical organizations have grown to make use of modern propaganda and social media tools in order to cultivate an army of self-radicalized killers.

15Season 43

S43.E15 ∙ School of the Future

Wed, Sep 14, 2016

How the science of learning may change education for all children.

16Season 43

S43.E16 ∙ Great Human Odyssey

Wed, Oct 5, 2016

Scientists are using archaeological and cultural findings to map humans' exodus from Africa and identify the adaptive skills required for the journey.

17Season 43

S43.E17 ∙ Super Tunnel

Wed, Oct 12, 2016

Follow an army of engineers and designers as they tackle the complex challenge of building Crossrail, a massive new subterranean railway deep beneath the streets of London.

18Season 43

S43.E18 ∙ Treasures of the Earth: Gems

Wed, Nov 2, 2016

This program explains the formation, chemistry, variations and allure of the most notable gemstones; diamonds, emeralds, sapphires, rubies, jade and opals.

19Season 43

S43.E19 ∙ Treasures of the Earth: Metals

Wed, Nov 9, 2016

History's most important metals and how they advanced civilization.

20Season 43

S43.E20 ∙ Treasures of the Earth: Power

Wed, Nov 16, 2016

An examination of fossil fuels. Included: modern-day oil prospecting in California; and a utility company that struggles to keep the lights on during hot summer days.