SciShow
Could Balloons and Elevators Replace Rockets for Space Travel?
New ReviewFrom hypothetical magnetic levitation trains and space elevators that aren't even attached to the ground, to very real space cannons tested in the 1960s, humans have come up with a lot of ways to hurl stuff into outer space. Hosted by:...
SciShow
Why Do We (Still) Have Wisdom Teeth?
New ReviewWhy do we have wisdom teeth? They're just going to come in wrong and cause problems. Wisdom teeth are a souvenir from our early human ancestors, and we actually understand less about them than you might think. Hosted by: Reid Reimers...
SciShow
What You Don’t Know About King Tut’s Space Dagger
New ReviewIn the 1920s, archaeologists discovered that the young pharaoh Tutankhamun was buried with a fancy iron dagger. It wasn't just fancy because part of it came from outer space; it was also made by artisans in another kingdom and given as a...
SciShow
This Is What Happens When Regular People Go To Space
New ReviewIn 2021, a crew of civilian astronauts spent three days in Earth orbit. While they were up there, they performed a bevy of experiments. And not only did we learn more about what space travel can do to the human body, we also learned how...
TED Talks
How to build in space for life on Earth | Ariel Ekblaw
Is space the “final frontier” — or the perfect place to revolutionize life on Earth? Space architect Ariel Ekblaw reveals how self-assembling structures could build orbiting real estate in space dedicated to solving humanity’s greatest...
Bozeman Science
Coral Bleaching
In this video Paul Andersen shows how increasing ocean temperatures causes coral polyps to release their symbiotic algae. This process of coral bleaching decreases the availability of energy for the coral and may eventually lead to coral...
TED Talks
How light and code can transform a city | Leo Villareal
Leo Villareal is an artist, but his tools aren't paint and canvas; he manipulates light, color and computer code to create monumental works of public art. In a dazzling talk, he takes us inside his efforts to light up some of the world's...
TED Talks
Are we alone in the universe? We're close to finding out | Lisa Kaltenegger
Astrophysicist Lisa Kaltenegger explores the thrilling possibility of discovering life beyond Earth, highlighting how cutting-edge technology like the James Webb Space Telescope lets us analyze distant planets for signs of life in...
TED Talks
Embrace your main character energy with Natasha Rothwell | On the Spot | Natasha Rothwell
Actor and writer Natasha Rothwell takes the stage for “On the Spot,” TED’s rapid-fire Q&A format. Answering a stream of unexpected questions, she dishes on everything from creativity and representation in TV to love, the first “pinch me”...
PBS
Astronauts Suni Williams and Butch Wilmore on their longer than expected stay in space
For NASA astronauts Suni Williams and Butch Wilmore, the long wait to return to Earth is almost over. They went to the International Space Station last June in a Boeing Starliner spacecraft. They were supposed to return a week later, but...
PBS
The Calendar, Australia & White Christmas
Australia will perpetually encounter the season opposite to the one we in the northern hemisphere will encounter, so does this means that Australia will never get a white Christmas?
TED Talks
Allyson Felix on Maternal Rights, Gender Equality, and Redefining Success
Allyson Felix reflects on her commitment to advancing gender equality and maternal rights, particularly in sports. She emphasizes the importance of normalizing child care at major events and advocating for better policies supporting...
TED Talks
How the Olympics Inspire Dreams, Diversity, and Global Change
The Olympics inspire dreams by showcasing athletes' dedication and passion while reminding viewers of the hard work, struggles, and triumphs behind the scenes. Beyond athletics, the Games highlight global diversity, humanizing stories...
TED Talks
Allyson Felix: From Olympic Icon to Advocate
During the 2024 Summer Olympics in Paris, retired track star Allyson Felix joined the event as a spectator. In this discussion with TED's Whitney Pennington Rodgers, Felix reflects on her transition to life after competition while...
TED Talks
Telegram and Global Governance: Navigating Free Speech, Crime, and Cross-Border Regulation
The recent charges against Telegram founder Pavel Durov by France, followed by similar actions from South Korea, highlight the growing tension between governments and global tech platforms. These cases underscore the challenges in...
TED Talks
Balancing Free Speech and Accountability: The Telegram Controversy
Telegram founder Pavel Durov, a self-proclaimed free speech absolutist, faces scrutiny as his platform navigates the complexities of enabling open communication while addressing criminal misuse, including child sexual abuse material....
TED Talks
TED: The probe on a mission to touch the Sun | Nour E. Rawafi
From its life-sustaining energy to its explosive geomagnetic storms, the Sun has many mysteries, says astrophysicist Nour E. Rawafi. He sheds light on NASA's latest endeavor to better understand our fiery neighbor and its impact on the...
TED Talks
TED: A medical mythbuster's mission to improve health care | Joel Bervell
Joel Bervell was one of the only Black students in his medical school program. After noticing how misconceptions about race were embedded in health care, he turned to social media to raise awareness about the harmful impact of biases in...
PBS
Why typewriters are having a renaissance in the digital age
In a world dominated by digital technology, a growing number of people are embracing a decidedly analog device: the typewriter. John Yang reports.
MinutePhysics
Why Masks Work BETTER Than You'd Think
Thanks to the Heising-Simons foundation for their support: https://www.hsfoundation.org (their COVID-19 grants: https://www.hsfoundation.org/grants/covid-19-response-grants/ ) Check out https://aatishb.com/maskmath to explore and for...
MinutePhysics
Why is it Dark at Night
Have you ever wondered why you look up and see a dark sky at night?