Be Smart
Can Life Really Be Explained By Physics? (featuring Prof. Brian Cox)
I recently got to sit down with physicist and science communicator extraordinaire Prof. Brian Cox. Did we talk about black holes, the Big Bang, or alien worlds? Nope! We talked about biology. Specifically, what is “life” and how did it...
World Science Festival
What is Life? Five Great Ideas in Biology. | A Conversation with Nobel Laureate Sir Paul Nurse
Nobel Laureate Sir Paul Nurse joins Brian Greene for a conversation about the fundamental ideas in biology explored in his new book, What Is Life? Five Great Ideas in Biology. Additional programs featuring Sir Paul Nurse: Science in a...
Kurzgesagt – In a Nutshell
What Is Life? Is Death Real?
So what is the difference between you and a rock? This seems like an easy, even stupid question. But even the smartest people on earth have no idea where to draw the line between living and dead things. Which leads to mind-blowing...
Kurzgesagt – In a Nutshell
What Is Life? Is Death Real?
So what is the difference between you and a rock? This seems like an easy, even stupid question. But even the smartest people on earth have no idea where to draw the line between living and dead things. Which leads to mind-blowing...
Crash Course
What Is Outbreak Science? Crash Course Outbreak Science
Infectious disease has affected the human species for as long as we’ve existed, but in that time we’ve come a long way in understanding what they are and how they spread. In this episode of Crash Course Outbreak Science, we’ll introduce...
SciShow
World's Most Asked Questions What is the Meaning of Life
People ask Google everything under the sun. One of the most commonly searched questions in the world is “What Is the Meaning of Life?” Let SciShow explain.
Curated Video
What is Evolution: A REALLY SIMPLE and Brief Explanation
Evolution “is the net change in organisms or a population over the span of many generations.” This change in organisms or populations happens through DNA mutations and reconbination and is passed down to the next generation through...
Curated Video
Greece, Athens - Theatre of Dionysus Eleuthereus
The Theatre of Dionysus Eleuthereus is a major theatre in Athens, built at the foot of the Athenian Acropolis. Dedicated to Dionysus, the god of plays and wine (among other things), the theatre could seat as many as 17,000 people with...
Psychology Unlocked
🧠 What is a schema? 🧠 Cognitive Developmental Psychology
Schemas (or schemata) are a common concept in cognitive and developmental psychology. This video introduces the concept by outlining what a schema is, what is does, and how it is formed.
3Blue1Brown
Three-dimensional linear transformations: Essence of Linear Algebra - Part 5 of 15
How to think of 3x3 matrices as transforming 3d space
Crash Course
The New Anatomy: Crash Course History of Science
There’s a question to consider that’s pretty daunting: what is life? And to try to answer that question, three tools stand out as being especially useful: A book, some experiments, and the microscope! In this episode, Hank talks to us...
Crash Course
Genetics and The Modern Synthesis: Crash Course History of Science
Remember how Darwin and Mendel lived around the same time, but everyone forgot about Mendel until 1900, and even then biologists saw Darwinism and Mendelism as two competing grand theories about how life works? Well, in this episode of...
TED-Ed
TED-Ed: What is depression? - Helen M. Farrell
Depression is the leading cause of disability in the world; in the United States, close to ten percent of adults struggle with the disease. But because it's a mental illness, it can be a lot harder to understand than, say, high...
TED-Ed
TED-Ed: What is the biggest single-celled organism? - Murry Gans
The elephant is a creature of epic proportions -- and yet, it owes its enormity to more than 1,000 trillion microscopic cells. And on the epically small end of things, there are likely millions of unicellular species, yet there are very...
TED-Ed
TED-Ed: What is fat? - George Zaidan
As the narrative goes, fat is bad. Well, it's actually more nuanced than that. The type of fat you eat is more impactful on your health than the quantity. George Zaidan examines triglycerides, the varied molecules that make up fat, and...
TED-Ed
TED-Ed: What is Alzheimer's disease? - Ivan Seah Yu Jun
Alzheimer's disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are still grappling for a cure. Ivan Seah Yu Jun describes how Alzheimer's...
World Science Festival
What is Synthetic Biology?
What is life? What separates your molecules from ordinary matter? We all know that it takes DNA for an organism to live, grow, and reproduce, but what happens if we build entire DNA molecules in the lab? Is this also life? Watch this...
TED-Ed
TED-Ed: At what moment are you dead? - Randall Hayes
For as far back as we can trace our existence, humans have been fascinated with death and resurrection. But is resurrection really possible? And what is the actual difference between a living creature and a dead body anyway? Randall...
TED-Ed
TED-ED: What causes body odor? - Mel Rosenberg
Most of us don't need more than one whiff to identify that generally unpleasant, characteristic smell we call body odor. But it's a surprisingly complex phenomenon, influenced by our genetic makeup, age, diet, and hygiene. So what is...
TED-Ed
TED-ED: Is radiation dangerous? - Matt Anticole
When we hear the word radiation, it's tempting to picture huge explosions and frightening mutations. But that's not the full story - radiation also applies to rainbows and a doctor examining an X-ray. So what is it, really, and how much...
Crash Course
The Spanish Empire, Silver, & Runaway Inflation: Crash Course World History
In which John Green explores how Spain went from being a middling European power to one of the most powerful empires on Earth, thanks to their plunder of the New World in the 16th and 17th centuries. Learn how Spain managed to destroy...
Infognostica
Buddhist philosophy - What is DETACHMENT and why is it so important
What is attachment? It's a normal thing in our society, but it closes off a lot of potential! Buddhism also had a lot to say on attachment.
NASA
We Asked NASA Scientists and Astronauts “What is your Favorite Hubble Image?”
Over the years, Hubble video producer Paul Morris has had the amazing opportunity to interview some of the brightest minds in astrophysics, and some of the coolest astronauts and people in the world. As a rule, he always asked every...
Flipping Physics
(part 2 of 2) An Introductory Projectile Motion Problem with an Initial Horizontal Velocity
Now that we have dropped the ball into the bucket, we can determine the final velocity of the ball right before it strikes the bucket. Don't forget that velocity is a vector and has both magnitude and direction. Yep, component vector...