Season 49
(2022)
Cast
Episodes
Arctic Sinkholes 0.0
February 2, 2022
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.
Secrets in the Scat 0.0
February 9, 2022
Scott Burnett is “Scatman”—an Australian ecologist on the trail of the secrets of poop. By identifying and analyzing an…
Great Mammoth Mystery 0.0
February 16, 2022
Sir David Attenborough investigates a unique site in southern England where amateur fossil hunters uncovered giant mamm…
Augmented 6.0
February 23, 2022
Follow the dramatic personal journey of Hugh Herr, a biophysicist working to create brain-controlled robotic limbs. At …
Determined: Fighting Alzheimer's 0.0
April 6, 2022
Follow three women at risk of developing Alzheimer’s as they join a groundbreaking study to try to prevent the disease …
Dinosaur Apocalypse: The New Evidence 0.0
May 11, 2022
In the Badlands of North Dakota, a team of scientists think they might have found the fossilized remains of animals kil…
Dinosaur Apocalypse: The Last Day 0.0
May 11, 2022
In the second episode of this two-part series, the search continues for signs of what happened on the day the dinosaurs…
Why Ships Crash 0.0
May 18, 2022
When the bow of the colossal Ever Given container ship plowed into the bank of the Suez Canal on March 23, 2021, intern…
Ice Age Footprints 0.0
May 25, 2022
Thousands of ancient footprints stretch for miles across New Mexico’s White Sands National Park, capturing moments when…
Ultimate Space Telescope 0.0
July 13, 2022
How did NASA engineers build and launch the most ambitious telescope of all time? Follow the dramatic story of the Jame…
Saving Venice 0.0
September 28, 2022
Rising seas and sinking land threaten to destroy Venice. Can the city’s new hi-tech flood barrier save it? Discover the…
Ending HIV in America 0.0
October 5, 2022
Almost 40 years after the discovery of HIV, could we be on the verge of ending the AIDS epidemic in America? How did sc…
Computers v. Crime 3.0
October 12, 2022
In police departments and courts across the country, artificial intelligence is being used to help decide who is police…
Can Psychedelics Cure? 0.0
October 19, 2022
Hallucinogenic drugs—popularly called psychedelics—have been used by human societies for thousands of years. Today, sci…
Ocean Invaders 0.0
October 26, 2022
Lionfish–long prized in home aquariums–have invaded the Atlantic, and are now one of the ocean’s most successful invasi…
Nazca Desert Mystery 0.0
November 2, 2022
One of the world’s greatest ancient enigmas, the Nazca lines are a dense network of criss-crossing lines, geometric sha…
Crypto Decoded 0.0
November 9, 2022
From Bitcoin to NFTs, crypto is making headlines. But what exactly is it, and how does it work? Experts go beyond the h…
Zero to Infinity 0.0
November 16, 2022
Discover how the concepts of zero and infinity revolutionized mathematics.
Rebuilding Notre Dame 0.0
December 14, 2022
In April 2019, the world watched as a devastating fire almost destroyed Paris’s iconic Notre Dame Cathedral. Go behind …