TED Talks
TED: A flavorful field guide to foraging | Alexis Nikole Nelson
Whether it's dandelions blooming in your backyard or purslane sprouting from the sidewalk, vegan forager Alexis Nikole Nelson is on a mission to show how freely growing flora could make its way to your plate. With contagious enthusiasm...
Bozeman Science
AP Biology Lab 2: Enzyme Catalysis
Paul Andersen starts with a brief description of enzymes and substrates. He then explains how you can measure the rate of an enzyme mediated reaction. Catalase from yeast is used to break hydrogen peroxide down into water and oxygen. He...
SciShow
Why Does Melted Cheese Taste So Much Better?
It goes on some of our favorite foods, and it can even make our least favorite foods taste better. Yes, we're talking about melted cheese.
TED Talks
Nicholas Negroponte: Taking OLPC to Colombia
TED follows Nicholas Negroponte to Colombia as he delivers laptops inside territory once controlled by guerrillas. His partner? Colombia's Defense Department, who see One Laptop per Child as an investment in the region. (And you too can...
TED Talks
TED: How we're harnessing nature's hidden superpowers | Oded Shoseyov
What do you get when you combine the strongest materials from the plant world with the most elastic ones from the insect kingdom? Super-performing materials that might transform ... everything. Nanobiotechnologist Oded Shoseyov walks us...
Be Smart
Why Do More Species Live Near The Equator?
Find out why more species live near the equator!
SciShow
6 "Vegetarian" Animals that Will Give You Nightmares
Some of the animals you think of as just cute grass-eating creatures might actually be more interested in chomping on your meaty bones.
SciShow
Does Shaving Make Your Hair Thicker?
You've probably heard someone explain that hair grows in thicker after shaving, but is there any truth to this or is it just a myth?
SciShow Kids
Why Is Fire Hot?
Whether you're out camping, cooking, or snuggled up in front of your fireplace, you know that fire is hot! But why? Join Jessi and Squeaks to learn how fires turn wood or other fuel into useful heat!
SciShow
The Real Reason Kids Have Imaginary Friends
You might be concerned with your kids talking to their invisible friends, but those imaginary friends might have some positive impacts on your kids.
TED Talks
TED: How nationalism and globalism can coexist | Wanis Kabbaj
Why do we have to choose between nationalism and globalism, between loving our countries and caring for the world? In a talk with lessons for avowed nationalists and globalists alike, Wanis Kabbaj explains how we can challenge this...
TED Talks
Amber Case: We are all cyborgs now
Technology is evolving us, says Amber Case, as we become a screen-staring, button-clicking new version of homo sapiens. We now rely on "external brains" (cell phones and computers) to communicate, remember, even live out secondary lives....
SciShow
Could There Be Planets Beyond Neptune?
Did you grow up thinking there were nine planets in the solar system? You might have been right all along! Today we discuss the possibility of distant worlds in our solar system.
TED Talks
Alix Generous: How I learned to communicate my inner life with Asperger's
Alix Generous is a young woman with a million and one ideas -- she's done award-winning science, helped develop new technology and tells a darn good joke (you'll see). She has Asperger's, a form of autistic spectrum disorder that can...
TED Talks
TED: The long reach of reason | Steven Pinker and Rebecca Newberger Goldstein
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Here's a TED first: an animated Socratic dialog! In a time when irrationality seems to rule both politics and...
SciShow
This Tree Oozes Metal Sap
In the South Pacific, there is a rare tree so rich in metal that its sap runs blue.
TED-Ed
TED-Ed: How do you know whom to trust? - Ram Neta
We believe a lot of things because we've been told - from our personal acquaintances and also experts. With so many belief systems being passed to us, how do we know whom to trust? Using contemporary examples, Ram Neta explains when...
TED-Ed
TED-Ed: The controversial origins of the Encyclopedia - Addison Anderson
The first encyclopedia contained 70,000 entries and over 20,000,000 words. It was broken into 35 volumes written over the course of 3 decades. It was also banned by Louis XV and Pope Clement XIII. But why was this encyclopedia so...
SciShow
Why Sex?
Hank gets into why sex is the preferred method of reproduction for most species - and it's not for the reasons you're thinking.
SciShow
Can We Keep Neurons Active…with Algae?
Cyanobacteria and other microbes produce a lot of oxygen. What if we could use that oxygen to power our brains?
TED Talks
Harsha Bhogle: The rise of cricket, the rise of India
The tale of a major global cultural phenomenon: Cricket commentator Harsha Bhogle describes the spectacular arrival of fast-paced 20-20 cricket as it parallels the rise of modern India. He traces the game from its sleepy English roots to...
Be Smart
What is Luck?
Is luck real? It might feel like a mystical force tugging us toward good or bad fortune, but it turns out luck is really where probability runs into the human mind. That's right, there's a scientific side to luck, and if you study a few...
SciShow
Could Life Survive Without a Star?
There are billions of planets out there that don't orbit stars. The sheer abundance of these planets has led some scientists to wonder if life could emerge without a star.