SciShow
These Chimps Treat Each Other’s Wounds. With Bugs
Chimpanzees in Gabon have been observed using bugs as a possible antiseptic, but what's more surprising is that they're applying this remedy to one another in what may be a form of chimpanzee health care.
SciShow
IDTIMWYTIM Stochasticity THATS Random
Hank helps us understand the difference between the colloquial meaning of randomness, and the scientific meaning, which is also known as stochasticity. We will learn how, in fact, randomness is surprisingly predictable.
SciShow
Why Don't All Birds Fly in V Shapes?
Some birds fly in V shapes because it has many benefits, but other birds fly in clumps instead. Why would they do that?
TED Talks
Jonathan Klein: Photos that changed the world
Photographs do more than document history -- they make it. At TED University, Jonathan Klein of Getty Images shows some of the most iconic, and talks about what happens when a generation sees an image so powerful it can't look away -- or...
TED-Ed
TED-Ed: Are all of your memories real? | Daniel L. Schacter
In a 1990's study, participants recalled getting lost in a shopping mall as children. Some shared these memories in vivid detail, but there was one problem: none of these people had actually gotten lost in a mall. They produced these...
Crash Course
Degrees of Freedom and Effect Sizes - Crash Course Statistics
Today we're going to talk about degrees of freedom - which are the number of independent pieces of information that make up our models. More degrees of freedom typically mean more concrete results. But something that is statistically...
SciShow
How Gene Therapy Could Revolutionize Addiction Treatment
Cocaine addiction is difficult to treat, but with the help of gene therapy, scientists are hoping to change that
PBS
When Fish First Breathed Air
385 million years ago, a group of fish would undertake one of the most important journeys in the history of life and become the first vertebrates to live on dry ground. But first, they had to acquire the ability to breathe air.
SciShow
6 of the Planet's Best Hunters
You might think venomous snakes or fierce lions are the best hunters, but turns out they are not even close to these 6 actual best hunters in the animal kingdom.
MinuteEarth
You Are A Fish
With our current understanding of evolutionary history and our strategy of cladistic naming, if we wanted to have both goldfish and sharks under a single group called "fish", then mammals must also be called fish....
SciShow
What Growing Mini Brains Has Taught Us, And What's Next
Scientists have developed a way to grow miniature versions of human organs; some of the weirdest organoids are the mini brains.
SciShow
The Nearsightedness Epidemic
While not the kind of epidemic you're used to hearing about, nearsightedness is becoming a major health issue in many places. Learn about how scientists are finding out the reasons behind the increase in myopia, and how sunlight might be...
SciShow
How Archaeologists Are Literally Recreating the Past | Experimental Archaeology
Archaeology might make you think about excavating dinosaur bones or exploring ancient ruins, but we can also learn a lot about the past through experimentation, sometimes with some pretty tasty results!
SciShow
IDTIMWYTIM Bird or Dinosaur
Hank fixes those of us who are probably wrong about what is and is not a dinosaur... and gives a refresher to those of us who do know this already.
Crash Course
Stereochemistry - Crash Course Organic Chemistry
The shape of molecules is super important to life as we know it. In this episode of Crash Course Organic Chemistry we’re learning about stereochemistry and how to identify molecules as chiral or achiral. And as always, we’ll be doing a...
Crash Course
Synthesis, Distillation, & Recrystallization: Crash Course Organic Chemistry
We’re going back to the lab! So far we’ve learned some important lab techniques that organic chemists might use day to day, like chromatography and proton NMR, but there are even more to learn. In this episode of Crash Course Organic...
SciShow
These Pigeons Have Built-In Warning Alarms
Scientists have figured out that some birds come with built-in alarm calls in their wings
TED-Ed
TED-Ed: Alex Gendler: How languages evolve
Over the course of human history thousands of languages have developed from what was once a much smaller number. How did we end up with so many? And how do we keep track of them all? Alex Gendler explains how linguists group languages...
SciShow
A New Male Birth Control?
Researchers have been studying a promising option for male birth control, and we've learned a bit more about how regeneration works in hydras!
TED Talks
Simon Sinek: Why good leaders make you feel safe
What makes a great leader? Management theorist Simon Sinek suggests, it’s someone who makes their employees feel secure, who draws staffers into a circle of trust. But creating trust and safety — especially in an uneven economy — means...
Crash Course
Social Groups: Crash Course Sociology
How do the groups that you're part of affect you? How do you, in turn, affect those groups? Today we are talking about how people in society come together with a look at social groups. We’ll look at what social groups are, the different...
Crash Course
Mean, Median, and Mode Measures of Central Tendency - Crash Course Statistics
Today we’re going to talk about measures of central tendency - those are the numbers that tend to hang out in the middle of our data: the mean, the median, and mode. All of these numbers can be called “averages” and they’re the numbers...
TED-Ed
TED-Ed: The true story of Sacajawea - Karen Mensing
In the early 19th century, a young Agaidika teenager named Sacajawea was enlisted by explorers Meriwether Lewis and William Clark to aid her husband Toussaint Charbonneau as a guide to the Western United States. Karen Mensing debunks...