MinutePhysics
Why is it Dark at Night
Have you ever wondered why you look up and see a dark sky at night?
SciShow
Why Do Our Noses Stick Out?
Have you ever thought about why we humans have noses that stick out? Turns out, there's been a big story about human evolution right... under your nose.
SciShow
The Tiny T. rex Causing a Big Science Feud
You’ve heard of Tyrannosaurus rex, but did you know they might have a mini-cousin called Nanotyrannus? And that “might” is serious, because researchers have been arguing about it for nearly 40 years and still haven’t gotten to the bottom...
TED Talks
TED: What makes someone vote against their political party? | Sarah Longwell
Our brains are hardwired to crave community and belonging — a tribal instinct that drives politics in the United States, says political strategist Sarah Longwell. She shares what she learned trying to convince people to vote against...
SciShow
Are Your New Memories Replacing Your Old Ones?
Research suggests there's a reason you can't remember much from your childhood: new memories are replacing the old ones.
SciShow
Evolution Can't Explain Your Grandma
There's a really interesting idea in anthropology called the grandmother hypothesis, that basically says the reason we have grandmas has to do with what makes us unique as a species. But there's a huge problem with the idea that it's...
SciShow
This Element Doesn't Fit the Periodic Table
One of the most famous elements in the periodic table doesn't really belong anywhere chemists would like to put it.
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 Talks
TED: 3 ways to better connect with your coworkers | Mark T. Rivera
Connecting with the people you work with doesn't just make your team stronger — it's good for you too. Whether you've just joined a new organization or you're managing a remote team, these three tips from collaboration expert Mark T....
SciShow
How to Move the Sky
The earth is always moving, and our view of the night sky is slowly but surely changing.
SciShow
Why Your Dog Has An Anti-Tick Pill And You Don’t?
If you've ever given your pet an anti-flea and tick medicine, you may have wondered why there's not a similar drug out there for you. Here's a little dive into the history of these drugs, and why there may someday be a human-grade...
PBS
Is This The Oldest Dad In The Fossil Record?
Fossil evidence suggests Diictodon used burrows to breed, and that a parent stayed behind to feed and protect their young. And the parent that stayed behind? It might’ve been the male.
TED Talks
TED: Why you should stop setting goals (yes, really) | Emmanuel Acho
In athletics, in business, in life, everyone sets goals. But that's not the way to excel, according to former NFL player Emmanuel Acho, now an author and TV sports analyst. Here's what he says to do instead.
TED-Ed
TED-Ed: The science of falling in love | Shannon Odell
Love is often described as heartwarming, heart-wrenching, or even heartbreaking— and your brain is responsible for all these feelings. The journey from first spark to the last tear is guided by a symphony of neurochemicals and brain...
TED Talks
TED: War, AI and the new global arms race | Alexandr Wang
Lethal drones with facial recognition, armed robots, autonomous fighter jets: we're at the dawn of a new age of AI-powered warfare, says technologist Alexandr Wang. He explores why data will be the secret weapon in this uncharted...
SciShow
How PET Scans See Cancer
When someone gets a PET scan to detect tumors and how far a cancer has spread, that machine is actually detecting sugar. Because cancer has a sweet tooth, and this phenomenon, called the Warburg effect, may help us develop new cancer...
SciShow
Are We Making More Bermuda Triangles?
One reason the Bermuda Triangle has scared people for generations is the seaweed. And thanks to eutrophication and other human causes, that Sargassum seaweed is starting to travel the world. Here's how we're accidentally making more of...
SciShow
Why Can't I Grow More Teeth?
How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives? And how come some other mammals get to cheat the system? From elephants to baboons, we'll learn why teeth don't grow back.
SciShow
5 Animals That Have Bone Skin
From the long extinct Stegosaurus, to tiny modern mice, all sorts of animals grow bits of bones inside their skin. These structures are called osteoderms, and they're often more than just a suit of armor.
SciShow
The Southern Hemisphere is Colder, Stormier, and... Cleaner?
You'd think that the Northern and Southern Hemispheres would be basically symmetrical -- that since our planet is a ball, the climate, temperature, and weather patterns would be the same on top as on the bottom. But there are some...
SciShow
These Animals Lost Their Stomachs. Why?
What do a platypus, a pufferfish, and a seahorse have in common? Why, they all managed to evolve themselves out of having a working stomach! The reasons why might vary, as well as how they manage to live their lives without them, but...
SciShow
Plants That Keep Themselves Warm
Sometimes, plants do unexpected things. Like control their own body temperature.
SciShow
Coriolis Effect: IDTIMWYTIM
Does your toilet water drain differently than in the other hemisphere? Is it because of the Coriolis effect? Hank has some things to clarify about these questions, and more in this edition of I Don't Think It Means What You Think It Means.
SciShow
We Skipped Flu Season. That's Bad
Some experts feared we were in for a "twindemic" during the 2020-2021 flu season. That didn't happen, which might mean that there will be more people susceptible to getting sick this year.