SciShow
The Majestic Grolar Bear
Although polar bears and grizzly bears aren't all that similar and are definitely separate species, they can interbreed and create fertile offspring in the wild. Hank brings us the story of these misfit bears, which he likes to call...
PBS
Will Mars or Venus Kill You First?
Humans have been talking about space colonization for quite some time, but our neighboring planets are not exactly the most hospitable places. If we are ever going to be successful, we should probably figure out where we could reasonably...
SciShow
Is Burnt Toast Really Bad for You
You may have seen posts online warning you about the dangers of eating burnt toast, but how much will that actually affect your health?
TED-Ed
TED-Ed: The Norse myth that inspired "The Lord of the Rings" | Iseult Gillespie
The dwarves were master craftspeople. One dwarf, Andvari, forged marvelous creations. He often took the form of a fish and, one day, he swam to the land of the water nymphs, who guarded mounds of gold. When the nymphs laughed at his...
TED Talks
TED: A secret weapon against Zika and other mosquito-borne diseases | Nina Fedoroff
Where did Zika come from, and what can we do about it? Molecular biologist Nina Fedoroff takes us around the world to understand Zika's origins and how it spread, proposing a controversial way to stop the virus -- and other deadly...
SciShow
Why Mars Rovers Don't Study Water
Rovers like Curiosity search for life on Mars using rock and soil samples, but why don't they examine liquid or frozen water?
TED-Ed
TED-Ed: Would you raise the bird that murdered your children? | Steve Rothstein
A mother honeyguide has placed its chick into a bee-eater's nest— puncturing all the other eggs in the nest and leaving only its own hatching alive. Over the following weeks, the host parents devotedly care for the hatchling whose mother...
TED Talks
TED: Why I study the most dangerous animal on earth -- mosquitoes | Fredros Okumu
What do we really know about mosquitoes? Fredros Okumu catches and studies these disease-carrying insects for a living -- with the hope of crashing their populations. Join Okumu for a tour of the frontlines of mosquito research, as he...
SciShow
Can You Drink Snake Venom?
Can you actually drink that steaming mug of snake venom? The science comes down to the difference between poisons and venoms, and to the oral toxicity of the venom itself.
SciShow
What If We Killed All the Mosquitoes?
With the Zika virus in the news, some people have wondered why we don't just kill them ALL.
SciShow
7 Things You Should Know About Bed Bugs
1 in 5 Americans either has had bed bugs, or knows someone who has. And the problem isn’t going away. It’s actually getting a lot worse.
TED Talks
TED: The unexpected benefit of celebrating failure | Astro Teller
Great dreams aren't just visions, says Astro Teller, "They're visions coupled to strategies for making them real." The head of X (formerly Google X), Teller takes us inside the "moonshot factory," as it's called, where his team seeks to...
SciShow
SciShow Quiz Show: Eons Edition!
Hank Green presides over this battle between the other two hosts of Eons. They know dinosaurs, but how much do they really know about industrial grease?
SciShow
What Happens to Your Body If You Die on Mars?
It's not the happiest subject, but when someone dies in space, or on another planet, what will happen to the body?
TED-Ed
TED-Ed: Is space trying to kill us? - Ron Shaneyfelt
How likely is it that a massive asteroid will do major damage to Earth and its inhabitants? What about the sun -- is it dying out anytime soon? And the supermassive black hole at the center of the Milky Way -- should we be worried about...
TED Talks
TED: Can light stop the coronavirus? | David Brenner
Far-UVC light is a type of ultraviolet light that kills microbes and viruses and, crucially, seems to be safe to use around humans. Radiation scientist David Brenner describes how we could use this light to stop the spread of SARS-CoV-2,...
SciShow
Good News: Daffodils Are The Worst
Daffodils are cheerful symbols of spring… and also cold blooded killers. But it turns out, the poison in these plants may actually be helpful to us humans!
Crash Course
Biomedicine: Crash Course History of Science
The history of science up until the Cold War is often overshadowed by the Manhattan Project. But, today we are going to talk about advances in biomedicine, or healthcare based on a biological understanding of human bodies and diseases.
MinutePhysics
Does The Universe Have a Purpose feat. Neil deGrasse Tyson
Neil deGrasse Tyson was asked by the Templeton Foundation to answer the question "Does the Universe Have a Purpose". Then he read his answer aloud and I drew some pictures for it.
TED-Ed
TED-Ed: Shunan Teng: The Chinese myth of the immortal white snake
The talented herbalist Xu Xian had just started his own medicine shop where he created remedies with the help of his wife, Bai Su Zhen. One day a monk named Fa Hai approached him, warning him that there was a demon in his house. The...
Be Smart
Venomous Creatures: The Evolution and Impact of Animal Venoms
Venom comes in all different types, so here's everything you'll ever need to know.
TED Talks
Monika Bulaj: The hidden light of Afghanistan
Photographer Monika Bulaj shares powerful, intimate images of Afghanistan -- of home life, of ritual, of men and women. Behind the headlines, what does the world truly know about this place?
TED-Ed
TED-ED: Why do cats act so weird? - Tony Buffington
They're cute, they're lovable, and judging by the 26 billion views on over 2 million YouTube videos of them, one thing is certain: cats are very entertaining. But their strange feline behaviors, both amusing and baffling, leave many of...