SciShow
Boom Boom Thump: How to Make Quieter Supersonic Planes
Supersonic jets like the Concorde face concerns over safety, high carbon output, and cost. They also make loud sonic booms so loud that only transoceanic flights are legal. Now one NASA program is trying to make a quiet supersonic plane...
MinuteEarth
When 90dB is LOUDER than 120dB
We often use decibels, a measure of sound pressure, to describe how loud something is - but loudness is caused by how we perceive sounds, and the two often don't line up.
TED-Ed
TED-Ed: Is it normal to talk to yourself? | TED-Ed
Being caught talking to yourself can feel embarrassing, and some people even stigmatize this behavior as a sign of mental instability. But decades of research show that talking to yourself is completely normal; most if not all of us...
SciShow Kids
Respect the Insect! | SciShow Kids Compilation
Squeaks and Mr. Brown are taking a break from working in the garden to learn about bunches of cool insects that live there and other places in the world!
SciShow Kids
My First Time Flying on an Airplane! | Airplane Science | SciShow Kids
Jessi and Squeaks are taking a trip soon! But Squeaks has never been on a plane before, and he's a little nervous about it. Let's learn what it's like to go through the airport and to be on an airplane, so we can help squeaks feel a...
TED Talks
TED: The future of machines that move like animals | Robert Katzschmann
Imagine a boat that propels by moving its "tail" from side to side, just like a fish. That's the kind of machine that TED Fellow Robert Katzschmann's lab builds: soft-bodied robots that imitate natural movements with artificial, silent...
SciShow
Why These Baby Bees Love Jam Sessions
Bees buzzing from flower to flower is a lovely and familiar sound and that buzzing comes from the high-speed flapping of the adult bees' wings. But in at least one species of bee, the babies just love to play the drums.
Be Smart
Amazing Animal Superpowers
Evolution has come up with some pretty amazing ways to get things done when it comes to animals, plants and microbes. From radiation-resistant bacteria (like Dr. Manhattan) to geckos who climb glass using atomic adhesion (like Spider...
SciShow
Underwater Animals Are So Loud, They'd Damage Our Hearing
We often think of the ocean as a pretty serene, lovely place to relax. But it turns out there's quite a racket going on under the waves, and some of the culprits are not the animals you'd expect!
TED Talks
Julian Treasure: Shh! Sound health in 8 steps
Julian Treasure says our increasingly noisy world is gnawing away at our mental health -- even costing lives. He lays out an 8-step plan to soften this sonic assault (starting with those cheap earbuds) and restore our relationship with...
TED Talks
TED: Why you should know how much your coworkers get paid | David Burkus
How much do you get paid? How does it compare to the people you work with? You should know, and so should they, says management researcher David Burkus. In this talk, Burkus questions our cultural assumptions around keeping salaries...
SciShow
Carcolepsy: Why Do We Get Sleepy in Cars?
It turns out there are number of aspects of driving that can potentially conspire to lull our bodies into a potentially dangerous state of drowsiness.
SciShow
The Truth About the Charlie Charlie Challenge
We may not be sure who’s behind it, but we can tell you that the Charlie Charlie Challenge doesn’t really work. Because physics.Very, very special thanks to Henry Reich of Minute Physics for helping with the content of this video.
TED Talks
John McWhorter: Txtng is killing language. JK!!!
Does texting mean the death of good writing skills? John McWhorter posits that there’s much more to texting -- linguistically, culturally -- than it seems, and it’s all good news.
TED Talks
David Byrne: How architecture helped music evolve
As his career grew, David Byrne went from playing CBGB to Carnegie Hall. He asks: Does the venue make the music? From outdoor drumming to Wagnerian operas to arena rock, he explores how context has pushed musical innovation.
Crash Course
Lost in Translation: Crash Course Film Criticism
It's time to take a look at a quieter, sweeter, and maybe happier film in this series. Sophia Coppola's "Lost in Translation" is a wonderful romantic comedy that doesn't play by the usual rules of its genre. In this episode, Michael...
TED Talks
Heidi Grant: How to ask for help -- and get a "yes"
Asking for help is tough. But to get through life, you have to do it all the time. So how do you get comfortable asking? In this actionable talk, social psychologist Heidi Grant shares four simple rules for asking for help and getting it...
TED-Ed
TED-Ed: Cicadas: The dormant army beneath your feet - Rose Eveleth
Every 13 or 17 years, billions of cicadas emerge from the ground to molt, mate and die. Adult cicadas only live a few weeks above ground, but you'd be hard pressed to ignore them -- they are extremely loud! Rose Eveleth explains...
SciShow
Why Do Roosters Crow?
Michael Aranda goes to the barnyard to answer one of the most frequently asked questions about animals: Why do roosters crow? Short answer: Because they're jerks. Longer answer: They're jerks that tend to get noticed more than the other...
SciShow
Why Do We Talk to Ourselves?
Do you mumble to yourself while looking for your keys, or pump yourself up in the morning with a bathroom mirror pep talk? It may actually be helpful,but only if you do it right.
SciShow
Why Don't Whales Deafen Themselves?
Whales have a lot of the same ear parts as humans, but they are capable of making sounds that could easily shatter a human's eardrums. So why are they seemingly immune from their own sense-shattering sounds?
SciShow Kids
The Loudest Bugs in the World
Cicadas are small insects, but they're famous for being one of the loudest animals in the world!
TED Talks
TED: How to use a paper towel | Joe Smith
You use paper towels to dry your hands every day, but chances are, you're doing it wrong. In this enlightening and funny short talk, Joe Smith reveals the trick to perfect paper towel technique.
SciShow
Cavitation
Hank tells you about cavitation - the power of tiny bubbles to weaken metal, kill fish & maybe even cure cancer.