SciShow
Mindcontrolling Parasites
Hank introduces us to some freaky parasites that use mind control to hijack the brains of their hosts.
Bozeman Science
Atoms and the Periodic Table
Mr. Andersen describes atomic structure and tours the periodic table.
SciShow
Why Are There Bacteria In My Yogurt?
Having bacteria in your food doesn't really sound great, but you couldn't have yogurt without it! Learn why in this week's QQ!
Crash Course Kids
The End Is Only The Beginning
It's the end of this first year of Crash Course Kids and we've learned so many things. In this episode, Sabrina takes us on a tour of some of the ideas we've talked about and how they fit into our lives. Also, what all of these ideas...
Be Smart
We're Mainly Microbe: Meet Your Microbiome
Ever not felt completely like yourself? There's a good reason for that. Because a large part of you isn't actually you. Our bodies are home to ten times as many microbes as human cells. We are walking ecosystems, each of us home to...
TED-Ed
TED-Ed: The beneficial bacteria that make delicious food - Erez Garty
Where does bread get its fluffiness? Swiss cheese its holes? And what makes vinegar so sour? These foods may taste completely different, but all of these phenomena come from microorganisms chowing down on sugar and belching up some...
TED-Ed
TED-Ed: Can you solve the sorting hat riddle? | Dan Katz and Alex Rosenthal
It's your first day at Magnificent Marigold's Magical Macademy. But before you can learn your first spell you must get through the sorting ceremony. And the sorting hat has chosen you for a special challenge. The Macademy had 8 founders...
TED Talks
TED: The science of cells that never get old | elizabeth Blackburn
What makes our bodies age ... our skin wrinkle, our hair turn white, our immune systems weaken? Biologist elizabeth Blackburn shares a Nobel Prize for her work finding out the answer, with the discovery of telomerase: an enzyme that...
Bozeman Science
Intermolecular Forces
In this video Paul Andersen explains how intermolecular forces differ from intramolecular forces. He then explains how differences in these forces account for different properties in solid, liquids and gases. Some of these properties...
Bozeman Science
Graphing Data by Hand
Paul Andersen shows you how to graph data by hand. He explains the required elements of a scatter plot with a best fit line. He shows you how to properly scale and label the axes.
TED Talks
TED: How pollution is changing the ocean's chemistry | Triona McGrath
As we keep pumping carbon dioxide into the atmosphere, more of it is dissolving in the oceans, leading to drastic changes in the water's chemistry. Triona McGrath researches this process, known as ocean acidification, and in this talk...
Bozeman Science
PS2A - Forces and Motion
Paul Andersen introduces forces, motion, and Newton's three laws in this video. He begins by describing forces as pushes or pulls on objects that produce motion. A lack of motion results from a balanced set of forces. A teaching...
Bozeman Science
ETS1C - Optimizing the Design Solution
In this video Paul Andersen explains how engineers optimize the design solution. After a number of solutions have been identified engineers will test each of them against a given set of criteria. They will trade-off different phenomenon...
TED Talks
TED: The mathematics of war | Sean Gourley
By analyzing raw data on violent incidents in the Iraq war and others, Sean Gourley and his team claim to have found a surprisingly strong mathematical relationship linking the fatality and frequency of attacks.
SciShow Kids
Why Do Leaves Change Colors in the Fall?
Autumn means leaves are turning different shades of red, orange, and yellow and falling to the ground. But why? Jessi takes you deep inside a leaf to explain!
Crash Course Kids
Measurement Mystery
So now that we know what Properties are, how can we use them to figure things out? In this episode of Crash Course Kids, Sabrina uses them to solve the mystery of what she tripped over last night. This first series is based on 5th grade...
TED Talks
TED: How to protect fast-growing cities from failing | Robert Muggah
Worldwide, violence is on the decline, but in the crowded cities of the global south — cities like Aleppo, Bamako and Caracas — violence is actually accelerating, fueled by the drug trade, mass unemployment and civil unrest. Security...
Bozeman Science
Transcription and Translation
Paul Andersen explains the central dogma of biology. He explains how genes in the DNA are converted to mRNA through the process of transcription. He then explains how ribosomes use this message to convert the mRNA to a functioning...
Bozeman Science
Atomic Models
In this video Paul Andersen explains how the atomic model has changed over time. A model is simply a theoretical construct of phenomenon and so when we receive new data we may have to refine our model. Ionization energy data resulted in...
TED Talks
TED: Cities are driving climate change. Here's how they can fix it | Angel Hsu
Cities pump out 70 percent of all global carbon emissions -- which means they also have the greatest opportunity to lower CO2 levels and energy consumption. Climate and data scientist Angel Hsu shares how cities around the world are...
TED Talks
JR: My wish: Use art to turn the world inside out
French street artist JR uses his camera to show the world its true face, by pasting photos of the human face across massive canvases. At TED2011, he makes his audacious TED Prize wish: to use art to turn the world inside out.
TED Talks
John La Grou: A plug for smart power outlets
John La Grou unveils an ingenious new technology that will smarten up the electrical outlets in our homes, using microprocessors and RFID tags. The invention, Safeplug, promises to prevent deadly accidents like house fires -- and to...
TED-Ed
TED-Ed: The power of a great introduction - Carolyn Mohr
Never underestimate the power of an intriguing start. When analyzing the literary greats like Charles Dickens and Kurt Vonnegut, be inspired by their craft and learn how to write a tantalizing introduction and strong thesis for your...
PBS
The Eye of Sauron Reveals a Forming Solar System!
Fomalhaut is a massive young star surrounded by a ring of dust debris that can tell us a great deal about the formation of our own solar system.