TED-Ed
TED-Ed: The psychology of post-traumatic stress disorder - Joelle Maletis
Many of us will experience some kind of trauma during our lifetime. Sometimes, we escape with no long-term effects. But for millions of people, those experiences linger, causing symptoms like flashbacks, nightmares, and negative thoughts...
SciShow
The Bizarre World of Animal Flight | Compilation
Flying is a great way to get around, but humans have only been doing it for a little over a century. Let’s revisit six SciShow videos exploring the world of flying non-human animals, which includes some species that you might not expect!
SciShow
Great Minds: Dr. Judith Resnik and the Icebusters
In 1984, ice was accumulating on the side of the Space Shuttle Discovery, spelling possible disaster, luckily it was the first mission of Dr. Judith Resnik, and the Canadarm.
SciShow
Why These Bees Just Keep Staring at Flowers
You might have wondered why bumblebees stop for a moment to stare at the flower they were just interacted with. Are they cherishing all the good times they had together, or is this behavior serving a biological purpose?
SciShow
Turns Out, Spiders Use Electricity to Fly
Apparently some species of spiders can fly… and it turns out they don’t even need the wind to do it.
SciShow
Great Minds We Lost in 2012
Hank pays tribute to some of the great scientific minds we lost in 2012, and then apologizes for some mistakes made in recent SciShow episodes.
TED-Ed
3 bizarre (and delightful) ancient theories about bird migration | Lucy Cooke
In 1822, Count von Bothmer shot down a stork in Germany. However, the bird had already been impaled by a yard-long wooden spear. The stork had been speared in Africa and then flew over 2,500 km. This astonishing flight proved to be an...
SciShow
Space Parachutes: Predicting the Unpredictable
Parachutes are a big part of keeping our astronauts safe, but despite being around for almost 500 years, there are still a lot of things we need to work on before they can be full proof.
SciShow
The Future of Air Travel
It used to be that you could get on a Concorde jet and fly across the Atlantic ocean faster than the speed of sound, but what does the future hold for supersonic flight?
TED-Ed
The surprising secrets of hummingbird flight | Kristiina J. Hurme and Alejandro Rico-Guevara
In just a matter of seconds, hummingbirds can perform astonishing aerial acrobatics, eat lunch in midair, pollinate a flower, even escape threats while upside-down. And they can do this all while achieving sustained hovering flight— an...
TED Talks
TED: My quest to defy gravity and fly | Elizabeth Streb
Over the course of her fearless career, extreme action specialist Elizabeth Streb has pushed the limits of the human body. She's jumped through broken glass, toppled from great heights and built gizmos to provide a boost along the way....
SciShow
Why bronze feels better than silver #shorts #science #SciShow
Why bronze feels better than silver #shorts #science #SciShow
TED-Ed
TED-ED: The coin flip conundrum - Po-Shen Loh
When you flip a coin to make a decision, there's an equal chance of getting heads and tails. But what if you flip the coin repeatedly, so that one option would win as soon as two heads showed up in a row, and another would win as soon as...
TED-Ed
TED-ED: Why do airlines sell too many tickets? - Nina Klietsch
Have you ever sat in a doctor's office for hours, despite having an appointment? Has a hotel turned down your reservation because it's full? Have you been bumped off a flight that you paid for? These are all symptoms of overbooking, a...
Bozeman Science
Signal Transmission and Gene Expression
Paul Andersen explains how signal transmission is used to alter both cellular function and gene expression. He uses the example of epinephrine release in humans and how it is used in the fight or flight response. Epinephrine causes liver...
Bozeman Science
Fight or Flight Response
Paul Andersen explains how epinephrine is responsible for changes in chemistry of our body associated with the fight or flight response. Epinephrine released by the adrenal medulla are received by a number of organs associated with the...
Crash Course
Complex Animals: Annelids & Arthropods - CrashCourse Biology
Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects.
TED-Ed
Why bats don't get sick | Arinjay Banerjee
Consider a bat that is infected with several deadly viruses, including ones that cause rabies, SARS, and Ebola. While this diagnosis would be lethal for other mammals, the winged wonder is totally unfazed, and may even spend the next 30...
MinuteEarth
Why do Bats Transmit So Many Diseases Like Ebola?
Why do Bats Transmit So Many Diseases Like Ebola
SciShow
10 Discoveries Made in National Parks
Thanks to The National Trust for Historic Preservation, in partnership with American Express, for sponsoring this video celebrating 100 years of the National Park Service! Now through July 5th, you can help your favorite park win an...
TED-Ed
TED-Ed: Does stress cause pimples? - Claudia Aguirre
Which came first: the stress or the pimples? The physical reactions to stress can cause major breakouts, which, in turn, can be even more stressful! Claudia Aguirre gives just one more reason to get that stress under control.
TED Talks
TED: Be passionate. Be courageous. Be your best. | Gabby Giffords and Mark Kelly
On January 8, 2011, Congresswoman Gabby Giffords was shot in the head while meeting constituents in her home town of Tucson, Arizona. Her husband, the astronaut Mark Kelly, immediately flew to be by her side. In this emotional...
MinuteEarth
The Best Dragon (According to Science)
We ranked dragons based on how biologically and evolutionarily plausible they are. ___________________________________________ To learn more, start your googling with these keywords: Tetrapods: four-limbed (with a few exceptions, such as...
MinuteEarth
Birds that Hibernate in Lakes!
Herein we explain that birds do not hibernate in lakes, do not migrate to the moon, but DO go on very unique journeys, which we humans have learned about in a variety of ingenious manners.