NOVA - Season 47
Run Time: 55 mins
Air Date: Wed, 5 Feb 2020
Average Rating: ⭐ 7 (133 votes)
PBS16 Episodes
Polar Extremes
Season 47 - Episode 1
Following a trail of fossils found in all the wrong places–beech trees in Antarctica, redwoods and hippo-like mammals in the Arctic–NOVA unc...
Dog Tales
Season 47 - Episode 2
Dogs have long been dependable companions by our sides. But it wasn’t always that way, and a look at their closest living relative, the wolf...
Cat Tales
Season 47 - Episode 3
Worshipped as a goddess, condemned as satanic, and spun into a stunning array of breeds, cats have long fascinated humans. But did we ever r...
Mysteries of Sleep
Season 47 - Episode 4
From fruit flies to whales, virtually every animal sleeps. But why? Why do we need to spend nearly a third of our lives in such a defenseles...
Cuba's Cancer Hope
Season 47 - Episode 5
When the U.S. trade embargo left Cuba isolated from medical resources, Cuban scientists were forced to get creative. Now they’ve developed l...
The Truth About Fat
Season 47 - Episode 6
The mysteries of fat and its role in hormone production, hunger and pregnancy.
Decoding COVID-19
Season 47 - Episode 7
The coronavirus SARS-CoV-2 has upended life as we know it in a matter of months. But at the same time, an unprecedented global effort to und...
Eagle Power
Season 47 - Episode 8
Eagles dominate the skies. But what makes these predators so special? Researchers study one special bird—and stunning up-close footage revea...
Human Nature / Gene-Editing Reality Check
Season 47 - Episode 9
With an extraordinary new technology called CRISPR, we can now edit DNA—including human DNA. But how far should we go? Gene-editing promises...
Secret Mind of Slime
Season 47 - Episode 10
Scientists investigate the bizarre “intelligence” of slime molds, which appear to learn and make decisions—without a brain. These cunning, s...
A to Z: The First Alphabet
Season 47 - Episode 11
Writing shaped our world and the rise of human knowledge, from the trading of goods to tales of ancient goddesses and kings. Follow the evol...
A to Z: How Writing Changed the World
Season 47 - Episode 12
Just as writing changed the course of human history, the evolution of paper and printing revolutionized the spread of information. The print...
Nature's Fear Factor
Season 47 - Episode 13
For animals in Mozambique’s Gorongosa National Park, the normal balance of competition and predation was upended when a war wiped out the to...
Touching the Asteroid
Season 47 - Episode 14
In October 2020, a NASA spacecraft called OSIRIS-REx attempts to reach out and grab a piece of an asteroid named Bennu to bring it back to E...
Can We Cool the Planet?
Season 47 - Episode 15
As global temperatures continue to rise, scientists are wondering if we need solutions beyond reducing emissions. Enter geoengineering. From...
Saving Notre Dame
Season 47 - Episode 16
When the roof of Notre Dame Cathedral erupted in flames in April of 2019, firefighters battled for nine grueling hours to save the historic ...