PBS
Unraveling DNA with Rational Tangles
When you think about math, what do you think of? Numbers? Equations? Patterns maybe? How about.... knots? As in, actual tangles and knots?
SciShow
No, Your Dog Doesn't Think You're the "Alpha"
The toughest, most dominant canine gets the resources and respect - or at least that's the idea that caught on culturally. Turns out, that's not necessarily how it works.
TED Talks
Geoffrey West: The surprising math of cities and corporations
Physicist Geoffrey West has found that simple, mathematical laws govern the properties of cities -- that wealth, crime rate, walking speed and many other aspects of a city can be deduced from a single number: the city's population. In...
SciShow
4 Mysterious Extinctions from Earth’s History
Nowadays, we're pretty confident about how the dinosaurs died out, but there are still other extinctions throughout Earth's history, some big, some small, that remain unsolved.
Crash Course
How did Detroit Become the Motor City? | Industrial Geography | Crash Course Geography
From shipping routes to airplane traffic to even the Internet, transportation planning is all about designing optimal transportation networks to move goods, information, and people around the globe. Today, we're going to discuss...
Crash Course
Why Cosmic Evolution Matters: Crash Course Big History
Crash Course Big History is back! It turns out, we couldn't tell all of the 13.8 billion years of the history of the universe in 10 Crash Course Episodes. So, Big History host Emily Graslie has returned to add 6 more episodes that look...
TED Talks
TED: What to trust in a "post-truth" world | Alex Edmans
Only if you are truly open to the possibility of being wrong can you ever learn, says researcher Alex Edmans. In an insightful talk, he explores how confirmation bias -- the tendency to only accept information that supports your personal...
SciShow
The 8 Smartest People of the Year: 2013's Nobel Winners
Hank profiles this year's Nobel laureates in science, whose achievements have helped us understand questions as small as how our cells transport materials, and as big as why matter exists at all.
Crash Course
What Is Justice?: Crash Course Philosophy
In today’s episode, Hank asks you to consider all the ways people talk about justice and what we really mean when we use that word. We’ll explain various theories of justice, just distribution, and different approaches to punishment.
TED-Ed
TED-Ed: Ancient Rome’s most notorious doctor - Ramon Glazov
Learn about the Greek physician and philosopher Galen of Pergamon, whose experiments and discoveries changed medicine. -- In the 16th century, an anatomist named Andreas Vesalius made a shocking discovery: the most famous human anatomy...
PBS
Is The Alcubierre Warp Drive Possible?
Inspired by Gene Roddenberry's Star Trek, physicist Miguel Alcubierre set out to transform one of the cornerstones of science fiction iconography, the Warp Drive, into reality. But is it even possible? Can we "warp" the fabric of reality...
TED-Ed
TED-Ed: The dust bunnies that built our planet - Lorin Swint Matthews
Investigate the theories surrounding cosmic dust bunnies and discover how the tiny particles could hold the key to the formation of life on Earth. -- Consider the spot where you’re sitting. Travel backwards in time and it might’ve been...
TED Talks
TED: Cute, sexy, sweet, funny | Dan Dennett
Why are babies cute? Why is cake sweet? Philosopher Dan Dennett has answers you wouldn't expect, as he shares evolution's counterintuitive reasoning on cute, sweet and sexy things (plus a new theory from Matthew Hurley on why jokes are...
PBS
Solving the Impossible in Quantum Field Theory
The equations of quantum field theory allow us to calculate the behaviour of subatomic particles by expressing them as vibrations in quantum fields. But even the most elegant and complete formulations of quantum physics - like the Dirac...
TED Talks
Brian Greene: Is our universe the only universe?
Is there more than one universe? In this visually rich, action-packed talk, Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang?) have led to the theory that our own universe is...
TED-Ed
TED-Ed: Is there a center of the universe? - Marjee Chmiel and Trevor Owens
It's been a long road to the discovery that Earth is not the center of the Solar System, the Milky Way, or the universe; great thinkers from Aristotle to Bruno have grappled with it for millennia. But if we aren't at the center of the...
PBS
How to Detect Extra Dimensions
On this Space Time Journal Club we look at how gravitational waves can be used to search for extra dimensions of space!
SciShow
How Did Earth Get Its Water?
If water just keeps getting recycled by a closed system on Earth, how did it get here in the first place? Where did the cycle begin?
3Blue1Brown
Abstract vector spaces | Essence of linear algebra, chapter 15
What is a vector space? Even though they are initial taught in the context of arrows in space, or with vectors being lists of numbers, the idea is much more general and far-reaching.
TED-Ed
TED-Ed: Dark matter: The matter we can't see - James Gillies
The Greeks had a simple and elegant formula for the universe: just earth, fire, wind, and water. Turns out there's more to it than that -- a lot more. Visible matter (and that goes beyond the four Greek elements) comprises only 4% of the...
SciShow
How Knots Help Us Understand the World
Knots are everywhere in our daily lives, but a new branch of mathematics is taking things to the next level.
MinuteEarth
Can Math Explain How Animals Get Their Patterns?
Here are some handy keywords to get your googling started: Reaction-diffusion system: A hypothetical system in which multiple chemical substances diffuse through a defined space at different rates and react with one another, thereby...
SciShow
Do Black Holes Have Quantum Hair?
We don’t know what happens to stuff when it gets sucked into a black hole, but in the same instance, we don’t know what happens to the black hole. There’s a possibility that sucked up stuff might actually give the black hole “quantum hair”.