TED Talks
TED: Is there a link between cancer and heart disease? | Nicholas Leeper
Does the key to stopping cancer lie in the heart? Cardiologist Nicholas Leeper digs into emerging scientific research on the link between the world's two leading causes of death, heart disease and cancer, sharing how their biological...
TED Talks
Tony Wyss-Coray: How young blood might help reverse aging. Yes, really
Tony Wyss-Coray studies the impact of aging on the human body and brain. In this eye-opening talk, he shares new research from his Stanford lab and other teams which shows that a solution for some of the less great aspects of old age...
PBS
Are We Alone? Galactic Civilization Challenge
The Drake Equation tells us the likelihood that there are other advanced technological civilizations waiting for us among the stars. In this episode of Space Time we challenge you to use the Drake Equation to help us determine how near...
TED-Ed
TED-Ed: What causes yeast infections, and how do you get rid of them? | Liesbeth Demuyser
The vagina harbors hundreds of different kinds of microorganisms. Candida yeasts are usually present in small quantities and most of the time, these fungi are harmless. But, under certain conditions, Candida yeasts can cause infections....
Crash Course
Congressional Decisions: Crash Course Government and Politics
This week Craig breaks out the crystal ball to try and figure out why our congresspeople do the things that they do. We’ll talk about the three motivating factors of congressional decisions - constituency, interest groups, and political...
TED-Ed
TED-Ed: Calculating the odds of intelligent alien life - Jill Tarter
Could there be intelligent life on other planets? This question has piqued imagination and curiosity for decades. Explore the answer with the Drake Equation -- a mathematical formula that calculates the possibility of undiscovered life.
SciShow
Does Eating Breakfast Really Help You Lose Weight?
You’ve probably heard that eating breakfast every day helps you lose weight, but not many actual experiments have been done on this, so is it true?
TED-Ed
TED-Ed: How does your body process medicine? - Celine Valery
Have you ever wondered what happens to a painkiller, like ibuprofen, after you swallow it? Medicine that slides down your throat can help treat a headache, a sore back, or a throbbing sprained ankle. But how does it get where it needs to...
TED-Ed
TED-Ed: Ethical dilemma: Who should you believe? | Alex Worsnip
You're sitting on the couch, when you hear a knock on the door. The police have arrived to arrest your spouse— for murder. This accusation comes as a total shock, but their fingerprints were found on the murder weapon. Your spouse...
Crash Course
Why Do Outbreaks Affect People Unequally? Crash Course Outbreak Science
We’re all susceptible to infectious disease of some kind or other, but not everyone is equally likely to be the victim of an outbreak. The fact is, inequalities both between and within communities mean that some people are at higher risk...
TED Talks
Eugenia Cheng: An unexpected tool for understanding inequality: abstract math
How do we make sense of a world that doesn't? By looking in unexpected places, says mathematician Eugenia Cheng. She explains how applying concepts from abstract mathematics to daily life can lead us to a deeper understanding of things...
SciShow
How The Famous 'Marshmallow Test' Got Willpower Wrong
You may know about The Marshmallow Test, a popular psychological exam to see if people have willpower, but psychologists found that it might not be measuring willpower after all.
SciShow
Why Is There an Opioid Crisis?
Last week, the opioid epidemic was declared a "public health emergency' in the United States, but what are opioids, and why is the way they interact with the human brain potentially so dangerous?
TED-Ed
TED-Ed: What happens to our bodies after we die? - Farnaz Khatibi Jafari
Since the dawn of humanity, an estimated 100.8 billion people have lived and died, a number that increases by about 0.8% of the world's population each year. What happens to all of those peoples' bodies after they die? And will the...
TED-Ed
TED-ED: The threat of invasive species - Jennifer Klos
Massive vines that blanket the southern United States, climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alligator. Rabbit populations that eat themselves into starvation. These...
SciShow
What Makes A Meme Go Viral?
Lots of funny and iconic memes arrive suddenly and overwhelmingly in our internet life, but what's the science behind why those memes go viral?
SciShow
Why Days Are Getting Longer
You can complain about having the longest day ever today, and here is the science to prove it!
TED-Ed
TED-Ed: Joshua W. Pate: The mysterious science of pain
In 1995, the British Medical Journal published a report about a builder who accidentally jumped onto a nail, which pierced straight through his steel-toed boot. He was in such agonizing pain that any movement was unbearable. But when the...
Crash Course
Compatibilism: Crash Course Philosophy
As we continue explore free will, today Hank considers a middle ground between hard determinism and libertarian free will: compatibilism. This view seeks to find ways that our internally motivated actions can be understood as free in a...
SciShow
Why you REALLY can't sleep #shorts #science #SciShow
Why you REALLY can't sleep #shorts #science #SciShow
SciShow
Kicked in the Crotch vs. Childbirth The Great Debate
Childbirth or a swift kick to the crotch? Both are painful experiences, but is there a scientifically accurate way to tell which is worse?
TED-Ed
TED-Ed: Can you solve the rogue submarine riddle? Difficulty level: Master | Alex Rosenthal
Smuggling yourself aboard the rogue submarine was the easy part. Hacking into the nuclear missile launch override — a little harder. And you've got a problem: you don't have the override code. You know you need the same numbers that were...
TED-Ed
TED-Ed: What causes sleepwalking? | Emmanuel During
Mumbling fantastical gibberish; devouring blocks of cheese in the nude; peeing in places that aren't toilets; and jumping out of windows. These are all things people have reportedly done while sleepwalking, a behavior that can be...
SciShow
Why Do We Go All In on Lost Causes?
We've all experienced the sunk cost fallacy: when you are deep into a task and tell yourself that you’ve come this far, so you may as well finish it. We do this even if it's no longer logical to finish. So why do we do it?