SciShow
Breast Cancer gets Worse in the Spring and Fall. But...Why?
Seasonal illnesses from infectious diseases aren’t a new concept, but a few decades ago public health experts began to notice the same behavior in some non-infectious diseases like breast cancer. These patterns have helped us learn a lot...
MinutePhysics
How Quantum Computers Break Encryption | Shor's Algorithm Explained
This video explains Shor’s Algorithm, a way to efficiently factor large pseudoprime integers into their prime factors using a quantum computer. The quantum computation relies on the number-theoretic analysis of the factoring problem via...
MinutePhysics
How Shor's Algorithm Factors 314191
This video explains how Shor’s Algorithm factors the pseudoprime number 314191 into its prime factors using a quantum computer. The quantum computation relies on the number-theoretic analysis of the factoring problem via modular...
SciShow
Why Does Nature Make You Feel Better?
It’s not a huge surprise that nature is beneficial to our mental health. But why?
TED-Ed
TED-Ed: How do steroids affect your muscles— and the rest of your body? | Anees Bahji
Steroids. They've caused global scandals. They're banned in most athletic competitions. Yet the same properties that help elite athletes and bodybuilders improve performance also make steroids valuable for treating many illnesses and...
SciShow
Bad Science: Breast Milk and Formula
We've all heard, “breast is best," but is it true? What's the real science behind breast milk and baby formula?
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!
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...