PBS
Can having a dog help you live longer?
A new scientific study from researchers in Sweden says having a dog can
extend your life. Special correspondent Malcolm Brabant explains more from
Uppsala, a city near Stockholm in Sweden.
PBS
Chinua Achebe - Things Fall Apart (May 27, 2008) (TRT: 8:38)
Jeffrey Brown interviews Chinua Achebe on the 50th anniversary of the publication of "Things Fall Apart."
TED Talks
Martin Seligman: The new era of positive psychology
Martin Seligman talks about psychology -- as a field of study and as it works one-on-one with each patient and each practitioner. As it moves beyond a focus on disease, what can modern psychology help us to become?
Bozeman Science
Why Are Cells Small?
The lower half of Mr. Andersen's head explains why cells are small. This video begins with a simple geometry problem and ends with a discussion of Allen's Rule and reasoning for the microscopic nature of cells.
TED Talks
TED: A concrete idea to reduce carbon emissions | Karen Scrivener
Concrete is the second most-used substance on Earth (behind water), and it's responsible for eight percent of the world's carbon footprint. Cement researcher Karen Scrivener shares the research behind a pioneering new kind of cement...
Crash Course
Floods in the Ancient Near East: Crash Course World Mythology
This week on Crash Course mythology, Mike is talking to you about floods. You may have heard the story of Noah and the Ark from the Bible, but that is not the only deluge story humans tell. It's a common thing across culture. You could...
SciShow
A Brief History of Life: When Life Exploded
Right at the beginning of the Paleozoic, there was a huge explosion of more complex life. And that’s when things started to get really interesting. This is our second installment on the history of life, but you can watch in any order you...
SciShow
No You Dont Have a Reptilian Brain
You don't actually have a "reptilian brain" somewhere deep in your head making you act like a salty crocodile, so where did that idea even come from?
Crash Course
Crash Course Black American History Preview
Over the course of 50 episodes, we're going to learn about Black American History. Clint Smith will to teach you about the experience of Black people in America, from the arrival of the first enslaved Black people who arrived at...
TED Talks
Rob Reid: How synthetic biology could wipe out humanity -- and how we can stop it
The world-changing promise of synthetic biology and gene editing has a dark side. In this far-seeing talk, author and entrepreneur Rob Reid reviews the risks of a world where more and more people have access to the tools and tech needed...
SciShow
What Can You Actually Learn from Your Genome?
Genetic tests can give you advice about what lifestyle, diet, and level of exercise are best for you. But you should take those suggestions with a grain of salt, because, when it comes to our bodies, our genes aren’t so much an open...
SciShow
Agriculture May Have Changed How People Speak | SciShow News
The development of agriculture was a huge game changer for human beings and it may have even changed the way we speak.
SciShow
The Universe As We Know It Shouldn't Exist | The Matter-Antimatter Problem
The universe is a pretty grand place to live, but scientists have one issue with it, it's an anomaly that should be scientifically impossible.
Be Smart
Inside an ICE CAVE! - Nature's Most Beautiful Blue
Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature's most brilliant, and the color arises in a very special way thanks to some surprising interactions between light and water molecules. Who...
SciShow
What Happens If A Plane Gets Struck By Lightning?
If you're flying on a plane in a thunderstorm, you should be more worried about the wind than the lightning.
TED-Ed
These salamanders snack on each other (but don't die) | Luis Zambrano
Axolotls are one of science's most studied animals. Why, you ask? These extraordinary salamanders are masters of regeneration: they can flawlessly regenerate body parts ranging from amputated limbs and crushed spines to parts of their...
TED Talks
TED: How we look kilometers below the Antarctic ice sheet | Dustin Schroeder
Antarctica is a vast and dynamic place, but radar technologies -- from World War II-era film to state-of-the-art miniaturized sensors -- are enabling scientists to observe and understand changes beneath the continent's ice in...
TED-Ed
TED-ED: The legend of Annapurna, Hindu goddess of nourishment - Antara Raychaudhuri and Iseult Gillespie
Historically, the union between Shiva and Parvati was a glorious one: a sacred combination which brought fertility and connection to all living things. Yet a rift had grown between these two forces. Setting out to prove the importance of...
TED Talks
TED: How to fix broken supply chains | Dustin Burke
Supply chain challenges are real, but they're not new, says global trade expert Dustin Burke. In the face of disruptions ranging from natural disasters to pandemics, how do we make sure supply chains can keep up? Burke offers a...
PBS
Is CSS and Website Design a Fashion Statement?
Consciously or not, the first thing you notice when you visit a website is how the site LOOKS, which is controlled by the CSS Stylesheet. CSS is the fashion of the web- it makes sites pretty (or very very ugly). And as our lives migrate...
SciShow
5 Animals That Sleep Too Much (and One That Might Not Need To)
In the animal kingdom, sleeping can be dangerous. Lying completely motionless and unconscious for hours at a time is just asking for trouble. There are, however, some sleepy risk-takers who spend almost all of their days snoozing.
MinuteEarth
Why Is Syrup Sticky?
What exactly makes sugary syrups so sticky, when neither water nor sugar is very sticky on its own? ___________________________________________ Credits (and Twitter handles): Script Writer: Emily Elert (@eelert) Script Editor: Kate...
TED Talks
TED: I believe we evolved from aquatic apes | Elaine Morgan
(NOTE: Statements in this talk have been challenged by scientists working in this field. Read "Criticisms & updates" below for more details.) Elaine Morgan was a tenacious proponent of a theory that is not widely accepted. The aquatic...