SciShow
Why We Have Pain, & How We Kill It
Hank makes it all better by explaining the biochemistry of pain -- how it works, why we have it, and how painkillers, whether they're over the counter or heavy-duty prescription bad boys, make the pain go away. Chapters View all...
SciShow
Should I Wear Sunscreen in the Winter?
DNA damage doesn't just happen in the summer, but does that really mean we should wear sunscreen in the cloudy and chilly months?
SciShow
Can Plants Get Sunburned?
Plants need sunlight to live, but they also need to block the sun's more harmful rays. Plants can't put on sunscreen or find shade, so how do they avoid getting a gnarly sunburn?
SciShow
3 Ways Your Sun Protection Can Backfire
People have a lot of ideas about how they can protect themselves from the sun’s ultraviolet radiation, but many of those ideas just don’t hold up, and some make things worse!
SciShow
Is it Good to Drink Beer After Working Out
Beer has water, electrolytes, and simple carbs, just like your typical sports drink, but is it good for you to drink alcohol right after working out?
SciShow
If Tomatoes Could Talk, Here’s What They’d Say | SciShow News
We’d pictured the plant-fruit relationship as one-way, but new research reports that sometimes the fruit can talk back! And while cow burps are a widely cited contributor to climate change, it turns out that wild pigs might also be...
SciShow
Why Is Salt So Bad for You, Anyway?
You've probably been told that eating too much salt is bad for you, especially if you have high blood pressure. But what exactly does salt do to our bodies that can make it so hard on our hearts?
SciShow
Why Do Our Bones Make Our Blood?
Our bones are multi-functional body builders, but perhaps their most mysterious function is the production of blood. Scientists now think they have a pretty good idea why this is where our blood gets made.
SciShow
Antlers: The Secret to Deer's Cancer-Fighting Superpowers
Antler cells divide really fast, and with their super-fast growth, antlers resemble tumors in some ways. But animals in the deer family are less likely to get cancer than many other organisms, and a recent genetics study may have...
TED Talks
Erik Schlangen: A "self-healing" asphalt
Paved roads are nice to look at, but they're easily damaged and costly to repair. Erik Schlangen demos a new type of porous asphalt made of simple materials with an astonishing feature: When cracked, it can be "healed" by induction heating.
SciShow
Can Screens Damage Your Eyes?
You might have heard that exposure to unnatural lights from digital devices can hurt your eyes. But is that true?
MinuteEarth
A Disease's Guide to World Domination
There's something surprising that helps determine how damaging a disease is: distance. ___________________________________________ To learn more, start your googling with these keywords: Direct transmission: occurs when a pathogen is...
TED-Ed
TED-ED: What is McCarthyism? And how did it happen? - Ellen Schrecker
In the 1950s, as part of a campaign to expose suspected Communists, thousands of individuals were aggressively investigated and questioned before government panels. Named after its most notorious practitioner, the phenomenon known as...
TED-Ed
TED-Ed: Can loud music damage your hearing? | Heather Malyuk
After a concert, you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room, and it's tough to make out their voice over the ringing in your ears. But, by the next morning, the...
SciShow
The Sad Truth About the Turmeric in Your Golden Latte
Now seems like a golden opportunity to talk about the positive health benefits of that turmeric in your morning latte.
SciShow
Why We're So Bad at Recycling Plastic
Plastic is quickly becoming a problem and we're eager to point fingers, but honestly, the reason there's so much plastic everywhere isn't just because of human negligence.
TED-Ed
TED-ED: The science of skin color - Angela Koine Flynn
When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it'll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change....
SciShow
The Bigger Stem Cells Are, the Harder They Fall
When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land...
MinuteEarth
Extreme Weather | MinuteEarth Explains
In this collection of classic MinuteEarth videos, we take a look at some of the most extreme weather on Earth and its consequences.
SciShow
Why You Might Want Parasitic Worms
Some doctors have actually found a connection between having parasitic worms and not having immune system problems like allergies or arthritis.
SciShow
What Happens If You Leave Your Contacts in for Too Long?
If you're wearing contacts, you might want to take a look at this.
SciShow
IDTIMWYTIM Radiation
Hank explains the whole story about radiation - the good, the extremely helpful, and the bad.
TED-Ed
TED-Ed: Why do our bodies age? - Monica Menesini
Human bodies aren't built for extreme aging: our capacity is set at about 90 years. But what does aging really mean, and how does it counteract the body's efforts to stay alive? Monica Menesini details the nine physiological traits that...
SciShow
Cryonics: Could We Really Bring People Back to Life?
You put a dying person in suspended animation until, possibly thousands of years from now, medical science is able to cure them... or their brain can be put in a sweet robot body. It's an age-old sci-fi trope, but there are scientists...