SciShow
Is This Drug the Cure to Opioid Addiction
New ReviewThere's a hallucinogenic drug called ibogaine that some proponents say is the magic bullet for curing opioid addiction, sometimes in a single dose. But, it's illegal in a ton of countries. So let's talk about ibogaine, where it comes...
SciShow
What Does The Vagus Nerve ACTUALLY Do?
New ReviewThe vagus nerve is kind of a wellness it-girl right now. But some of the claims that influencers make about it are a little... out there. So we decided to do some research and get to the bottom of what this nerve can and can't do, and...
Crash Course
How Genes Express Themselves: Crash Course Biology #36
New ReviewIf nearly all your cells have the same DNA, why are muscle cells so different from skin cells? In this episode, we’ll learn how gene expression is regulated in eukaryotes, and how methylating DNA, modifying histones, and messing with...
TED-Ed
Do you really need to take 10,000 steps a day? | Shannon Odell
For years, Jean Béliveau walked from country to country, with the goal of circumnavigating the globe on foot. While few people have the time or desire to walk such extreme lengths, research shows that adding even a modest amount of...
TED-Ed
What actually causes high cholesterol? | Hei Man Chan
In 1968, the American Heart Association made an announcement that would influence people’s diets for decades: they recommended that people avoid eating more than three eggs a week. Their reasoning was that the cholesterol packed into egg...
Bozeman Science
The Hierarchy of Life
Paul Andersen explains how biology is ordered in the hierarchy of life. He first of all describes how emergent properties appear as you move to more inclusive systems. The then describes life at the following levels; atom, molecule,...
MinuteEarth
Should We Grow Human Organs In Pigs?
An amazing new technology will let scientists grow new kidneys for patients using their own stem cells inside of pigs.
TED-Ed
TED-Ed: How to increase your happiness | TED-Ed
Many people would say the connection between happiness and gratefulness is very simple: when you are happy, you are grateful. But think again. Is it really the happy people that are grateful? Quite a number of people have everything that...
TED Talks
TED: My quest to cure prion disease — before it's too late | Sonia Vallabh
Biomedical researcher Sonia Vallabh's life was turned upside down when she learned she had the genetic mutation for a rare and fatal illness, prion disease, that could strike at any time. Thirteen years later, her search for a cure has...
SciShow
8 Terrible Science Takes
Have you ever seen a science take on the Internet that you're pretty sure is wrong, but you aren't sure how to break it down? Well good news, we are taking care of that for you! Here are just 8 of them, from climate myths to health...
TED Talks
TED: The miracle of organ donation — and a breakthrough for the future | Abbas Ardehali
Organ transplants save lives, but they come with challenges: every minute a healthy donated organ is on ice increases risk. And even if things go perfectly, rejection of the organ is still possible. Cardiothoracic surgeon Abbas Ardehali...
SciShow
The Science of Mouth Taping
Have you heard about this technique called mouth taping, and the claims it can cure everything from asthma to bad breath? We're here to cover what science and peer-reviewed research actually has to say about it.
SciShow
The Hallucinogenic Fungi That May Treat Alzheimer’s
If you've ever heard of ergot fungi, you've likely heard of the nasty side effects of eating them, including convulsions and hallucinations. But like many a toxic substance, scientists have figured out ways to use ergot for good....
MinuteEarth
You Can’t Actually Die Of Old Age
Despite centuries of death records to the contrary, “dying of old age” is not medically possible; instead, it’s just a convenient catch-all.
TED-Ed
TED-Ed: A tour of the ancient Greek Underworld | Iseult Gillespie
Achilles, just slain in the Trojan War, arrives in the Underworld and is greeted by Sibyl of Cumae— a prophetess and also the realm’s local guide. Though it gets a bad rap, Sibyl is determined to prove to the newcomer that hell is...
TED-Ed
TED-Ed: 3 tips on how to study effectively | TED-Ed
A 2006 study took a class of surgical residents and split them into two groups. Each received the same study materials, but one group was told to use specific study methods. When tested a month later, this group performed significantly...
SciShow
How We Get Sick in Space and How to Recover | Compilation
No one likes being sick, but can you imagine catching a bug while hurling through space? Turns out, this is an issue that many space agencies have worked to study and mitigate.
SciShow
Does Tylenol Actually Do Anything?
The pain reliever known as acetaminophen or paracetamol, marketed under brand names like Tylenol, Calpol or Panadol, has an excellent reputation. But the quality of evidence that it actually works is shockingly poor. So, do doctors and...
PBS
The Evolution of the Heart (A Love Story)
In order to understand where hearts came from, we have to go back to the earliest common ancestor of everything that has a heart. It took hundreds of millions of years, and countless different iterations of the same basic structure to...
MinuteEarth
Why Do Heart Attacks Cause *Arm* Pain?
When the brain receives pain from an internal organ, it often projects the pain in the wrong place because of the way sensory nerve paths converge
SciShow
The Tiny Fish That's Changing Modern Medicine
The little fish Danio rerio holds secrets to understanding how vertebrates develop, how diseases like cancer work, and how we might one day learn how to regenerate human heart tissue.
SciShow
The Key to an Artificial Heart ... and Open-Heart Surgery
Scientists have been trying to pull blood out of the body and put it back in again since the early 1800s, but bypass machines haven't been easy to get right.
SciShow
Can Soda Save a Dying Fish?
For years, catch-and-release anglers have been pouring soda on bleeding fish in an effort to help save their lives. But.. does this actually work?