SciShow
Underwater Animals Are So Loud, They'd Damage Our Hearing
We often think of the ocean as a pretty serene, lovely place to relax. But it turns out there's quite a racket going on under the waves, and some of the culprits are not the animals you'd expect!
SciShow
How Fake Internet Accounts Divide Us and How to Stop Yourself From Falling for Them
The people behind fake posts can rely on a few tricks to get you on board. But there are ways to spot them, and ways to avoid falling for what they have to say.
SciShow
Why Are So Many Pro Athletes Lefties
Only 10% of the world is left handed, so why are so many athletes lefties?
TED Talks
Geoff Mulgan: A short intro to the Studio School
Some kids learn by listening; others learn by doing. Geoff Mulgan gives a short introduction to the Studio School, a new kind of school in the UK where small teams of kids learn by working on projects that are, as Mulgan puts it, "for...
TED Talks
Laurel Braitman: Depressed dogs, cats with OCD — what animal madness means for us humans
Behind those funny animal videos, sometimes, are oddly human-like problems. Laurel Braitman studies non-human animals who exhibit signs of mental health issues -- from compulsive bears to self-destructive rats to monkeys with unlikely...
3Blue1Brown
The Wallis product for pi, proved geometrically
A proof of the Wallis product for pi, together with some neat tricks using complex numbers to analyze circle geometry.
TED Talks
TED: The military case for sharing knowledge | Stanley McChrystal
When General Stanley McChrystal started fighting al Qaeda in 2003, information and secrets were the lifeblood of his operations. But as the unconventional battle waged on, he began to think that the culture of keeping important...
SciShow
Weird Diagnostics
Hank goes over some of the more interesting ways that doctors can use to tell what might be wrong with you.
SciShow
Meet the Oilbird A Bird that Thinks its a Bat
In South America, there’s a flying animal that lives in colonies in caves, emerges at night in search for food, and navigates using echolocation... And it isn't a bat.
TED Talks
Beau Lotto and Cirque du Soleil: How we experience awe -- and why it matters
Neuroscientist Beau Lotto conducted an ambitious study with Cirque du Soleil on the emotion of awe and its psychological and behavioral benefits. In this talk and live performance, he shares some of their findings -- and stands back as...
PBS
Black Holes from the Dawn of Time
Primordial black holes may be lurking throughout our universe. How large are they, how many are out there and what would happen if they moved through our solar system?
SciShow
Denisovans: Our Mysterious Cousins That Made Us Better
During most of the past 2 million years or so, there were several species of hominins on Earth at any given time. Like, you might be familiar with our famous extinct cousins, the Neanderthals. But since 2010 we’ve been uncovering...
SciShow
The Trouble with This Year's Flu Season
We here at SciShow know of two things that can help you get through this flu season: a flu shot, and watching this video. Make sure you do both!
SciShow
6 Seriously Impressive Animal Migrations
There are some seriously impressive journeys that animals will undertake to avoid the cold, to give birth, or to find food. All kinds of creatures migrate that you might not think about; some big and familiar, and others so small, you...
SciShow
The Cosmic Ladder That Lets Us Map the Universe
Considering how massive our universe is, we know the distances to cosmic objects surprisingly well. What tools and clues do scientists use to measure distances that are so enormous they sound like made-up numbers?
SciShow
How Did We Figure Out What a Heart Attack Was?
Heart attacks are the number 1 cause of death worldwide in the 21st century, but we weren't sure what caused them until 1980.
TED Talks
TED: Why women should tell the stories of humanity | Jude Kelly
For many centuries (and for many reasons) critically acclaimed creative genius has generally come from a male perspective. As theater director Jude Kelly points out in this passionately reasoned talk, that skew affects how we interpret...
TED Talks
TED: Don't ask where I'm from, ask where I'm a local | Taiye Selasi
When someone asks you where you're from … do you sometimes not know how to answer? Writer Taiye Selasi speaks on behalf of "multi-local" people, who feel at home in the town where they grew up, the city they live now and maybe another...
SciShow
Poor, Misunderstood Poison Ivy
It sure seems like some plants really don't want you hiking through their woods, but maybe your immune system is just overreacting.
SciShow
Great Minds: Leonardo da Vinci
Leonardo da Vinci was one of the most diversely talented individuals of all time. His "unquenchable curiosity" led him to make discoveries and inventions that were beyond his time, not to mention his numerous artistic masterpieces. Today...
SciShow
The Sun's Center Is 39,000 Years Younger Than Its Surface
In the early 1960s, Richard Feynman was quoted as saying that Earth's center should be a day or two younger than its surface. 50 years later, scientists re-did the math.
MinuteEarth
Why Are Leaves Green? Part 2
Still wondering why leaves are green and not purple or even black? CHLOROPHYLL! It's how leaves work.
PBS
What Planet Is Super Mario World?
We've run, jumped, and stomped all over the world of Super Mario, but, where in the universe is Super Mario EXACTLY? It's virtual so it obviously DOESN'T exist but if it did, could Super Mario world be in our solar system? And what do...
SciShow
The Vine That 'Loves' Parasitic Wasps to Death
This vine loves sucking the life out of plants AND insects.