SciShow
A Potential New Staph Vaccine and Touchable "Holograms"
What's cooler: A vaccine for one of the deadliest bacterial infections around or a holodeck? Well, this week we got a step closer to BOTH!
TED Talks
TED: TED's secret to great public speaking | Chris Anderson
There's no single formula for a great talk, but there is a secret ingredient that all the best ones have in common. TED curator Chris Anderson shares this secret -- along with four ways to make it work for you. Do you have what it takes...
TED Talks
Daniel Bögre Udell: How to save a language from extinction
As many as 3,000 languages could disappear within the next 80 years, all but silencing entire cultures. In this quick talk, language activist Daniel Bögre Udell shows how people around the world are finding new ways to revive ancestral...
TED Talks
Sherwin Nuland: The extraordinary power of ordinary people
Sherwin Nuland, a surgeon and a writer, meditates on the idea of hope -- the desire to become our better selves and make a better world. It's a thoughtful 12 minutes that will help you focus on the road ahead.
TED-Ed
Why do we, like, hesitate when we, um, speak? | Lorenzo García-Amaya
For as long as we've had language, some people have tried to control it. And some of the most frequent targets of this communication regulation are the ums, ers, and likes that pepper our conversations. These linguistic fillers occur...
SciShow
Why Do Geiger Counters Make That Clicking Sound?
You don't have to fight feral ghouls to be familiar with the clicking sound of a geiger counter, but what exactly makes these radiation detecting devices click?
TED-Ed
TED-ED: How interpreters juggle two languages at once - Ewandro Magalhaes
Language is complex, and when abstract or nuanced concepts get lost in translation, the consequences may be catastrophic. Given the complexities of language and cultural exchange, how do these epic miscommunications not happen all the...
Bozeman Science
Sound Waves
Mr. Andersen explains how sound waves are created and perceived. A brief discussion of pitch and loudness are included. A generated sound of varying pitches is also included.
TED-Ed
TED-Ed: Does grammar matter? - Andreea S. Calude
It can be hard sometimes, when speaking, to remember all of the grammatical rules that guide us when we're writing. When is it right to say the dog and mec and when should it be the dog and I? Does it even matter? Andreea S. Calude dives...
Crash Course
Sound: Crash Course Physics
We learn a lot about our surroundings thanks to sound. But... what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this Doppler Effect that we've heard so much about? In this episode of Crash Course...
SciShow
Should You Stop Saying 'Like' and 'Um'?
Y’know lots of people say you shouldn’t use, like...filler words, but uh, should you really like, stop using them?
SciShow
Are Colors Real?
The sky is blue, but according to whom? Could the rules of our language affect the way we perceive color?
TED-Ed
TED-ED: How to use rhetoric to get what you want - Camille A. Langston
How do you get what you want, using just your words? Aristotle set out to answer exactly that question over two thousand years ago with a treatise on rhetoric. Camille A. Langston describes the fundamentals of deliberative rhetoric and...
Curated Video
Efficiency
The proportion of energy supplied to a device or process that is converted into a useful form. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Hi-Fi Engineering
A demonstration of how hi-fi speakers use a clever combination of electronics and magnetism to convert electrical impulses into sound waves, which our brain then interprets as music. Physics - Electricity And Circuits - Learning Points....
Communication Coach Alex Lyon
How to Give An Extemporaneous Speech
How to Give an Extemporaneous Speech Like a Professional. Here's a mini-training that'll help you develop the genuine, conversational public speaking sound professionals have.
Communication Coach Alex Lyon
How to Use Public Speaking Notes
How to Use Public Speaking Notes. Here are 3 common methods that public speakers use for notes ranked from worst to best.
Communication Coach Alex Lyon
5 Public Speaking Body Language Tips
Here are my top 5 Body Language Tips for More Confident Public Speaking.
Communication Coach Alex Lyon
Top 10 Calls to Action (for the end of a speech)
Learn the Top 10 Ways to Call Listeners to Action at the end of a speech or presentation. This is Part 4 (of 4) of a series showing you how to write a persuasive speech. These are calls to action or CTAs and virtually all persuasive...
Curated Video
Genius Unleashed: The Marvel of Modern Invention
Venture into the world of Armand and Victor, twin brothers who transform everyday items into extraordinary inventions in their garage. From a magic carpet that powers devices to a fan that spins with a simple approach, this video...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Common Peripherals
Peripherals allow us to expand our system to support new features such as printing, sound, and external storage. They also enable a wide array of input devices like mice and keyboards. Knowing how to identify each of them quickly is key...
Curated Video
What is Martin Luther King Jr. Day?
MLK Day takes place every year on the third Monday of January. It's a time to celebrate the life and work of Civil Rights leader Martin Luther King Jr., who brought Americans together in the name of racial equality.
Curated Video
Is the Southern Accent Disappearing?
When you hear names like Gladys or Herbert or Doris, you probably automatically think of old people, but why is that? Linguists have been studying the science of first names for a long time, and though what's behind a particular parent's...
Curated Video
How Queer Communities Created Secret Languages
Across the globe, queer communities have relied on secret lexicons known as "argots" to communicate safely, which have developed over the years into what some call "verbal jazz."