SciShow
Why Does Being in the Sun Make You So Tired?
The beach is nice, but why does spending time out in the sun leave us feeling so exhausted?
SciShow
What if Earth Was Hit by a Giant Solar Flare?
Solar storms are really common, but occasionally they can be huge, causing more than pretty light shows in the auroras. What would happen nowadays if we had a massive solar storm?
SciShow
Hemispatial Neglect When Half Your World Disappears
Losing half of the world sounds like a weird, abstract dream state. But for those that develop hemispatial neglect, that’s exactly what happens, without them even realizing it.
SciShow
Why Do Things Fade in the Sun?
Have you ever noticed that sunlight makes colors fade? Join Quick Questions as we explore why that happens.
SciShow
Don't Worry About That Asteroid That Might Hit This Year | SciShow News
That asteroid the headlines have been warning people about isn't likely to actually hit us, and scientists might have solved a mystery that could save lives: the relationship between tides and earthquakes.
SciShow
Football, Dementia, and the Future of Sports
It’s not like anyone thought head injuries were good for people, but the long term effects of concussions has researchers, coaches, and doctors concerned about the extra risks of some popular sports.
SciShow
How Ancient Buildings Became Accidental Seismographs
We use seismographs to record the time, location and magnitude of earthquakes as they happen. But in the last three decades, a new field of study has emerged that is learning to track these details about earthquakes of old using the...
SciShow
Why Shouldn't You Look at the Sun?
You might have done it accidentally or intentionally but one thing is clear: Don't stare at the the sun! Hank Green explains why.
TED-Ed
TED-ED: History vs. Che Guevara - Alex Gendler
His face is recognized all over the world _ the young medical student who became a revolutionary icon. But was Che Guevara a heroic champion of the poor, or a ruthless warlord who left a legacy of repression? Alex Gendler puts this...
SciShow
How Liver Problems Can Lead to Brain Disease
We tend to focus on the brain in psychology, but it's part of an entire system! Other organs, even your liver, play a big role in psychological health.
TED Talks
Becci Manson: (Re)touching lives through photos
In the wake of the 2011 Japanese earthquake and tsunami, mixed into the wreckage were lost and damaged photos of families and loved ones. Photo retoucher Becci Manson, together with local volunteers and a global group of colleagues she...
TED Talks
TED: A new weapon in the fight against superbugs | David Brenner
Since the widespread use of antibiotics began in the 1940s, we've tried to develop new drugs faster than bacteria can evolve -- but this strategy isn't working. Drug-resistant bacteria known as superbugs killed nearly 700,000 people last...
SciShow
How Long Will the Curiosity Rover Last?
Curiosity's 23-month-long mission is already approaching the 5-year-mark! How much longer can we hope it will last?
SciShow
Can You Get a Sunburn Behind a Window?
If you’re not lounging on the beach on a hot summer day, why would you think to put on sunscreen? Well, you might need sunscreen more often than you think.
TED-Ed
TED-Ed: How do pain relievers work? - George Zaidan
Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work? Learn about the basic physiology of how humans experience pain, and the mechanics of the medicines...
SciShow
The Man Who Tried to Give Himself An Ulcer... For Science
In 1984, Dr. Barry Marshall had a theory about ulcers that he couldn't convince the science community of. So, he took matters into his own hands... or stomach, and infected himself with a potentially deadly bacterium.
SciShow
What We Often Get Wrong About the Brain’s 'Language' Centers
About 150 years ago, scientists found the two main areas that are responsible for language production and comprehension in the brain. But it turns out they might have over-exaggerated what these parts actually do.
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...
SciShow
How Scientists Protect the World's Most Famous Art
Conserving and restoring art can be pretty tricky. Thankfully, scientists have been learning how to restore artwork in some pretty cool ways that are effective, safe, and a little weird, to be honest.
TED-Ed
TED-Ed: Diagnosing a zombie: Brain and body - Tim Verstynen & Bradley Voytek
Zombies eat brains. They are also, like all of us, driven by brain functions. What is happening in their brains to make them act as they do? In this intriguing dialogue, Tim Verstynen & Bradley Voytek apply the various human medical...
TED Talks
Phil Plait: How to defend Earth from asteroids
What's six miles wide and can end civilization in an instant? An asteroid -- and there are lots of them out there. With humor and great visuals, Phil Plait shows us all the ways asteroids can kill us (yipes), and what we must do to avoid...
MinuteEarth
Why Do Humans Vomit So Much? 🤮
In an effort to protect us from getting killed by something we’ve ingested, our brain’s vomit control center processes a lot of information from several different places … and sometimes is a little overly cautious.
SciShow
How Our Brains Learn Consciousness
Neuroscience is abound with debates over the nature of consciousness. Which makes sense, because it’s a very abstract idea. We know we are conscious, but theories of why, how and what brain activity causes it are still simply that:...
TED-Ed
TED-Ed: The best way to apologize (according to science) | TED-Ed
Over the years, people have come up with some truly awful apologies. From classic non-apologies, to evasive excuses, and flimsy corporate promises, it's all too easy to give a bad apology. Good apologies generally share certain elements,...