From over 100,000 films, discover the handful you'll love.
Free or premium access to the world's largest documentary library.
2331 films(Page 44 of 49)
Jim Romansky investigates a mysterious object in Pennsylvania on December 9, 1965.
The last universal common ancestor, or LUCA, represents the single common ancestor of all life on Earth, a topic explored by PBS Digital Studios.
A 110-mile-wide crater in Mexico's Yucatán Peninsula marks the site of an asteroid impact that caused the extinction of 75% of life on Earth 66 million years ago.
A virtual bending machine simulates how footballs curve in the air, revealing the science behind ball spin and goalkeeper reactions.
The Younger Dryas, a significant climatic event, has prompted extensive scientific debate regarding its causes and the potential for similar occurrences in the future.
67 years is the current global average lifespan, up from just 20 years in the Stone Age, as time continues to shape human existence.
Blindsight is a condition where individuals with visual impairments can respond to visual stimuli without conscious awareness, as explored through case studies and research from the University of California, Berkeley.
Molecular fossils found in the DNA of infected hosts provide insights into the origins and evolution of viruses, raising questions about their status as living entities.
Earth's abundance of water is believed to have originated from meteorites, space dust, and solar contributions, unlike the water scarcity found on Mercury, Venus, and Mars.
The narrator confronts their fear of death at Rad Fest in Las Vegas, focusing on aging and immortality.
Crows exhibit cognitive abilities comparable to those of seven-year-old humans, showcasing advanced problem-solving and tool-use skills.
Three physicists, John Clauser, Alain Aspect, and Anton Zeilinger, won the 2022 Nobel Prize in Physics for proving the reality of quantum entanglement.
As little as 24 hours of total sleep deprivation can impair performance to a level equivalent to a blood alcohol concentration of 0.1%.
0.00729735256, or approximately 1/137, is the fine structure constant that physicists have long sought to understand due to its fundamental role in quantum physics.
Curiosity found rocks in Gale Crater that indicate Mars once had flowing water, suggesting it may have supported life in the past.
Neuroscientist Erich Jarvis explains how specific brain architecture enables speech and complex behaviors like dancing and problem-solving in various species.
Echo and Zayda welcome two pups at the Smithsonian Conservation Biology Institute after three years.
Satellites are vital for our survival on this planet and monitoring Earth's resources.
NASA's Perseverance rover, launched in 2020, is tasked with analyzing rock samples on Mars to search for signs of ancient life.
A dolphin's intestines measure 38.5 meters during an autopsy conducted by Mike Rowe in Oxford, Maryland, as he investigates the animal's cause of death.
The nomadic women of Mauritania share their experiences living in the Sahara, where desertification threatens their traditional way of life.
Five candidates for Mars One, a private foundation aiming to colonize Mars by 2025, discuss their motivations for a potential one-way trip to the red planet.
Xiaolin Zheng, a nanoscientist and Emerging Explorer, is developing innovative solar stickers that aim to revolutionize sustainable energy.
Young women at Airbus showcase their determination and need to succeed in engineering careers.
In 2016, Zika virus emerged as a public health crisis in the Americas, prompting researchers like Andrew Haddow and Robert Tesh to trace its origins back to Uganda.
Conan interviews Clio Cresswell about hormones versus equations, sparking laughter and insights.
Conan responds to a fan correction about the chemical composition of water on Mars.
CRISPR technology, which allows precise changes to DNA, is discussed alongside its potential to eliminate hereditary diseases and ethical concerns about designer babies.
John Oliver honors the Russian space sex geckos with A Great Big World's 'Say Something.'
Dr. Nehemiah Mabry hosts a live Twitch stream dedicated to engineering content, featuring interviews and games, five days a week at 1 pm EDT.
Austin Meyer received a lawsuit from Unilock, which claimed ownership of the technology behind all Android apps, illustrating the risks of patent infringement.
CERN's Large Hadron Collider has successfully teleported small particles, a concept predicted by quantum theory for decades.
Reggie Watts and Maz Jobrani join Dianna Cowern in a series that explores intriguing concepts from math, philosophy, and science through engaging discussions.
John Oliver corrects past errors, including the purchase of Alaska and MySpace's status.
A new study suggests that drinking a glass of red wine is just as good as spending an hour at the gym, a claim Oliver questions in his segment.
Stephen Hawking discusses imaginary time and artificial intelligence at Cambridge University.
Stephen Hawking discusses black holes, imaginary time, and AI at Cambridge University.
Moscow plans referendums to annex parts of Ukraine amid Ukrainian military gains.
Self-driving trucks equipped with advanced technology are traveling across Europe, forming convoys known as road trains to enhance road safety and efficiency.
2020 sees no less than three major rocket launches for Mars exploration.
They discuss the release of 3D printed gun blueprints on August 1st and Orejuela's reaction.
Drone scans of Blind Frog Ranch reveal a Doppler shift over the 'Energy Zone,' prompting Duane Ollinger to investigate potential hidden treasures.
A leak of 3.2 units per minute in the Apollo 13 command module forces the crew to rely solely on emergency battery power from the lunar module.
Big Bertha, a moon rock from Apollo 14, reveals surprising links to Earth.
An investigation into a deadly runway crash at LAX reveals Robin's minor mistake caused disaster.
In New Mexico, a family fights the US government for over 80 years to recover a $28-billion treasure while Alex finds human bones in a treasure chamber!
Josh Halliday tests the iPad 2's speed against the original, noting impressive improvements.
Corey Cohen discusses the auction of the first Apple One computer, valued at nearly a million dollars.