MinuteEarth
How Many Mass Extinctions Have There Been?
Want to learn more about the topic in this week's video? Here are some keywords/phrases to get your googling started: - Mass Extinction Event: a significant, global decrease in the diversity of life - "Big 5": The five biggest mass...
SciShow Kids
The Very Big Story of the Dinosaurs | SciShow Kids Compilation
In this SciShow Kids compilation, Jessi and Squeaks learn all about dinosaurs—when they lived, how they died, and how we know so much about them.
TED Talks
TED: How rest can make you better at your job | Alex Soojung-Kim Pang
Yes, you need to take breaks at work. Not only is resting good for your brain — it might even make you more creative. Here are consultant Alex Soojung-Kim Pang's four tips to help you step away and return to your job with more energy to...
PBS
The History of Climate Cycles (and the Woolly Rhino) Explained
Throughout the Pleistocene Epoch, the range of the woolly rhino grew and shrank in sync with global climate. So what caused the climate -- and the range of the woolly rhino -- to cycle back and forth between such extremes?
SciShow
Why Did You Skip a Period?
Have you had a normal menstrual cycle and then you suddenly miss a period? There are different reasons why this can happen, and if you don't experience a period you were expecting, you’ll probably want to talk to your health care...
MinuteEarth
How Many Mass Extinctions Have There Been?
Want to learn more about the topic in this week's video? Here are some keywords/phrases to get your googling started: - Mass Extinction Event: a significant, global decrease in the diversity of life - "Big 5": The five biggest mass...
Crash Course
The Evolutionary Epic Crash Course Big History 5
In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this...
SciShow
8 Strange Animal Sleeping Habits
Sleep is important, but not all animals need the same kind of deep rest as humans. From sleeping standing up to sleeping inside snot bubbles, here are 8 especially strange ways some animals catch their ZZZs.
TED Talks
TED: A taboo-free way to talk about periods | Aditi Gupta
It's true: talking about menstruation makes many people uncomfortable. And that taboo has consequences: in India, three out of every 10 girls don't even know what menstruation is at the time of their first period, and restrictive customs...
TED-Ed
TED-Ed: How rollercoasters affect your body - Brian D. Avery
In 1895, crowds flooded Coney Island to see America's first-ever looping coaster: the Flip Flap Railway. But its thrilling flip caused cases of severe whiplash, neck injury and even ejections. Today, coasters can pull off far more...
SciShow
SciShow Quiz Show: Dave Loos
Hank and the gang return with SciShow Quiz Show, where Sci Show's resident geniuses compete to win prizes for our subscribers!
SciShow
Endometriosis: When Uterine Tissue Goes Rogue
While period cramps are never fun, they can actually be debilitating for those with endometriosis - a disease where rogue uterine tissue turns up in places that it doesn’t belong. Like in other areas of the pelvis… or even in the lungs...
SciShow
Why Do People Have Periods When Most Mammals Don't?
Few mammals actually get periods every month, or even at all, but why? Understanding what menstruation really is and why it happens could help ease symptoms & treat conditions that stem from the reproductive system.
Be Smart
Should You Eat Everyday?
An intermittent fasting diet is one of the hippest new nutrition and fitness philosophies, based around the idea that going hungry can be good for your health. Some think it's a weight loss secret that calls upon our ancient evolutionary...
SciShow
Why Did You Skip a Period?
Have you had a normal menstrual cycle and then you suddenly miss a period? There are different reasons why this can happen, and if you don't experience a period you were expecting, you’ll probably want to talk to your health care...
Crash Course
The Evolutionary Epic: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this...
TED Talks
Jen Gunter: Why can't we talk about periods?
"It shouldn't be an act of feminism to know how your body works," says gynecologist and author Jen Gunter. In this revelatory talk, she explains how menstrual shame silences and represses -- and leads to the spread of harmful...
TED-Ed
TED-Ed: Why sitting is bad for you - Murat Dalkilinc
Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary existence? Murat Dalkilin�c...
SciShow
Do Menstrual Cycles Really Sync Up?
Have you had your period at the same time as your friends or family members? Is this a physiological effect or coincidence? Join Hank Green as he provides some insight on this phenomenon!
TED Talks
Ananya Grover: A campaign for period positivity
Having your period is exhausting -- and for many people across the world, menstruation is even more challenging because of stigmas and difficulty getting basic hygiene supplies, says social activist Ananya Grover. In this uplifting,...
SciShow
Three New Exoplanets Close to Home
TESS found 3 new exoplanets around a strangely calm m-dwarf star, and it's possible they could be habitable!
TED-Ed
TED-Ed: How to use a semicolon - Emma Bryce
It may seem like the semicolon is struggling with an identity crisis. It looks like a comma crossed with a period. Maybe that's why we toss these punctuation marks around like grammatical confetti; we're confused about how to use them...
SciShow
What Makes Earth’s Magnetic Field Change Direction?
You might have heard that Earth is due for a complete flip of its magnetic field. And while our planet does have a history of this behavior, predictions of when it might happen are too complex to estimate a date for.
TED-Ed
TED-ED: How menstruation works - Emma Bryce
At this moment, three hundred million women across the planet are experiencing the same thing: a period. The monthly menstrual cycle that gives rise to the period is a reality that most women on Earth will go through in their lives. But...