Name: NOVA: Secrets of the Forest
Uploaded: 2025-04-14T20:29:42+00:00
Duration: 3221 s
Description: Can forests help cool the planet? Follow scientists through spectacular landscapes as they study complex networks of trees, fungi, and creatures large and small – all in a quest to tackle the twin threats of climate change and species extinction.

Secrets of the Forest

53m 41s

Can forests help cool the planet? Follow scientists through spectacular landscapes as they study complex networks of trees, fungi, and creatures large and small – all in a quest to tackle the twin threats of climate change and species extinction.

Episodes
Extras + Features
Schedule

Secrets of the Forest

S52 E8 - 53m 41s

Can forests help cool the planet? Follow scientists through spectacular landscapes as they study complex networks of trees, fungi, and creatures large and small – all in a quest to tackle the twin threats of climate change and species extinction.
Revolutionary War Weapons

S52 E7 - 53m 39s

How did a ragtag army defeat the most powerful army in the world to win American independence? Discover the key military technologies that helped propel the colonies to victory, from the Brown Bess musket to the world’s first military submarine.
Baltimore Bridge Collapse

S52 E6 - 53m 32s

On March 26, 2024, a massive container ship plowed into the Francis Scott Key Bridge, killing six highway workers. How did the ship lose control? Why did the bridge fail so catastrophically? And how many other bridges around the world are at risk?
Pompeii's Secret Underworld

S52 E5 - 53m 40s

For over two centuries, archaeologists have hailed Pompeii as a sophisticated city at the heart of an advanced ancient civilization. But a series of new excavations is painting a much more complex picture of the city tragically buried by the eruption of Mount Vesuvius in 79 CE.
Egypt's Tombs of Amun

S52 E4 - 53m 40s

Follow archaeologists as they discover a long lost ancient cemetery in Egypt’s sacred desert. Treasures emerge unlike anything seen by the team, revealing details of a unique period, when women had extraordinary power.
Dino Birds

S52 E3 - 53m 40s

Why are birds the only dinosaurs still alive today? Rare fossil discoveries are revealing the secrets of bird evolution, telling the story of how some resilient feathered dinos became the vast array of colorful bird species that fill our skies.
Extreme Airport Engineering

S52 E2 - 53m 40s

In New York City, a team of elite engineers and construction workers are on a mission to build the ultimate airport. Follow their ups and downs as they race to build a new, world-class LaGuardia on the site of one of America’s busiest aviation hubs.
What Are UFOs?

S52 E1 - 53m 43s

After decades in the shadows, UFOs are being studied seriously. Are they weather balloons, optical illusions, secret military technology? Or something else? Follow scientists as they try to unravel the mystery of the strangest objects in our skies.

How Birds Evolved to Fly (feat. Slow-Mo Baby Birds)

S52 E3 - 2m 56s

Birds today make flight look effortless, but its evolution was complex. Scientists are still trying to discover exactly how birds took to the skies, and today, a new perspective has emerged by studying how flightless chicks become skilled flyers. With high-speed cameras and careful observation, discover how researchers are gaining insights into the development of bird flight.
What You’re Probably Seeing If You Spot a UFO

S52 E1 - 2m 17s

When you spot a UFO, are you really seeing something unknown? You can actually see things in Earth's orbit like weather balloons, the International Space Station, and a 60-satellite system called Starlink. Technology has created more clutter in the sky — and a much greater chance for us to misinterpret what we're seeing.
What Are UFOs? Preview

S52 E1 - 30s

After decades in the shadows, UFOs are being studied seriously. Are they weather balloons, optical illusions, secret military technology? Or something else? Follow scientists as they try to unravel the mystery of the strangest objects in our skies.
UFO Sightings: How Scientists are Trying to Capture More Data

S52 E1 - 5m

There have been reports of UFO and UAP sightings for decades, but these accounts are often difficult to verify. Now, scientists are in search of the elusive: hard data. From machine learning sites that analyze the sky 24/7, to a crowd-sourcing app that asks the public to submit their own UFO videos, discover the inventive methods at play to capture more data.
Area 51: UFO Sightings and an Infamous Government Cover-Up

S52 E1 - 2m 35s

For decades, rumors of alien spacecraft at Area 51 have captivated the public imagination. In what is now known as one of the most infamous government cover-ups, an absence of information fueled wild speculation. Discover how UFO stories may have served as a convenient smokescreen for secret testing of advanced military technology.
Is the Government Hiding Information on UFOs?

S52 E1 - 1m 3s

The government does keep secrets about aerospace technology, but are those linked to UFO sightings? How much do they really know? With growing concerns about national security and more citizen sightings of unidentified objects in our airspace, the need to identify these unknown objects is greater than ever before.
The $8 Billion Overhaul of LaGuardia Airport: Engineering a New Era

S52 E2 - 2m 12s

The redevelopment of LaGuardia was nothing short of remarkable: almost every aspect of the airport was renovated while flights were still coming and going, and architects took special care to future-proof their work through innovative and forward-thinking designs. Over the course of 8 years, engineers rebuilt Terminals B&C, constructed two massive pedestrian walkways, and made key improvements.
What Happens to Your Checked Bag at the Airport?

S52 E2 - 2m 34s

Have you ever wondered what happens to your checked bag at an airport? At LaGuardia Airport, their new, state-of-the-art tracking system was designed to process 40 million bags a year— up to 6,000 bags every hour. Discover how this ingenious system works.
Extreme Airport Engineering Preview

S52 E2 - 30s

In New York City, a team of elite engineers and construction workers are on a mission to build the ultimate airport. Follow their ups and downs as they race to build a new, world-class LaGuardia on the site of one of America’s busiest aviation hubs.

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NOVA

Secrets of the Forest

Saturday
Apr 19

2:00 pm

1 Hour

Researchers around the globe gather data on how forests work and try to figure out how these ecosystems can help tackle threats of climate change and species extinction.
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NOVA

Secrets of the Forest

Sunday
Apr 20

4:00 am

1 Hour

Researchers around the globe gather data on how forests work and try to figure out how these ecosystems can help tackle threats of climate change and species extinction.
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NOVA

Secrets of the Forest

Sunday
Apr 20

4:00 am

1 Hour

Researchers around the globe gather data on how forests work and try to figure out how these ecosystems can help tackle threats of climate change and species extinction.
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NOVA

Secrets of the Forest

Tuesday
Apr 22

7:00 pm

1 Hour

Researchers around the globe gather data on how forests work and try to figure out how these ecosystems can help tackle threats of climate change and species extinction.
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NOVA

Secrets of the Forest

Wednesday
Apr 23

12:00 am

1 Hour

Researchers around the globe gather data on how forests work and try to figure out how these ecosystems can help tackle threats of climate change and species extinction.
Image

NOVA

Secrets of the Forest

Wednesday
Apr 23

8:00 am

1 Hour

Researchers around the globe gather data on how forests work and try to figure out how these ecosystems can help tackle threats of climate change and species extinction.
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NOVA

Arctic Sinkholes

Wednesday
Apr 23

9:00 pm

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
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NOVA

Arctic Sinkholes

Wednesday
Apr 23

9:00 pm

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
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NOVA

Arctic Sinkholes

Thursday
Apr 24

2:00 am

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
Image

NOVA

Arctic Sinkholes

Thursday
Apr 24

3:00 am

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
Image

NOVA

Arctic Sinkholes

Thursday
Apr 24

3:00 pm

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
Image

NOVA

Arctic Sinkholes

Thursday
Apr 24

4:00 pm

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
Image

NOVA

Arctic Sinkholes

Saturday
Apr 26

1:00 pm

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
Image

NOVA

Arctic Sinkholes

Sunday
Apr 27

4:00 am

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
Image

NOVA

Arctic Sinkholes

Sunday
Apr 27

4:00 am

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
Image

NOVA

Arctic Sinkholes

Tuesday
Apr 29

7:00 pm

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
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NOVA

Weathering the Future

Tuesday
Apr 29

9:00 pm

1 Hour

Americans use ancient wisdom and new solutions to fight against extreme weather, from intense rainstorms to megafires and droughts.
Image

NOVA

Arctic Sinkholes

Wednesday
Apr 30

12:00 am

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.
Image

NOVA

Weathering the Future

Wednesday
Apr 30

2:00 am

1 Hour

Americans use ancient wisdom and new solutions to fight against extreme weather, from intense rainstorms to megafires and droughts.
Image

NOVA

Arctic Sinkholes

Wednesday
Apr 30

8:00 am

1 Hour

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.

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