SciShow
White Sand Beaches: You're Sunbathing on Fish Poop
Find out how parrotfish, zooxanthellae, calcium carbonate (aragonite), and poop combine to make the white sandy beach sunbathers love.
SciShow
8 Things People Get Wrong About Animals
If you watched a lot of cartoons as a kid, chances are you picked up some common animal stereotypes like "cats love milk!" or "bears can't get enough of that sweet, sweet honey!" What if we told you that everything cartoons taught you is...
SciShow
Robot Surgeons and 4 Other Medical Advances That Sound Like Sci-Fi
Modern medicine is wonderful, but even in a world where open-heart surgery and brain-scanning headsets sound almost mundane, some medical advances do truly seem like science fiction. From robot-assisted microsurgery to reanimated organs,...
SciShow
8 Bone Eating Animals
Bones are hard to digest and can be downright dangerous to eat, but some animals have evolved pretty bizarre adaptations to accommodate their crunchy, splintery diets.
TED Talks
TED: A forgotten Space Age technology could change how we grow food | Lisa Dyson
We're heading for a world population of 10 billion people -- but what will we all eat? Lisa Dyson rediscovered an idea developed by NASA in the 1960s for deep-space travel, and it could be a key to reinventing how we grow food.
SciShow
Whale Poop Helps Cool Our Planet
You might not think of a sea creature as helpful in the prevention of climate change, but sperm whales have been doing their part to cool the planet by doing what most animals do best: pooping.
SciShow
What That Pig Brain Study Really Tells Us
This month, in a study that has the potential to change the way we think about death, scientists revealed that they successfully restored some processes in the brains of dead pigs -- at least partially. What did the study actually tell...
TED-Ed
TED-Ed: The surprising effects of pregnancy | TED-Ed
Muscles and joints shift and jostle. The heart's pounding rhythm speeds up. Blood roars through arteries and veins. Over the course of a pregnancy, every organ in the body changes. Initiated by a range of hormones, these changes begin as...
SciShow
Mistletoe: The Holiday Plant That Shouldn’t Exist
Mistletoe's ability to stay green through harsh, cold weather has made it a symbol of holiday romance for centuries. But it relies on some very strange (and occasionally disgusting) adaptations to stay vibrant and healthy all winter long.
SciShow
How to Cure a Hangover (Maybe)
Besides abstaining from alcohol altogether, most of the medical advice for avoiding hangovers is to use common sense before you start drinking. But what about all those “cures” people seem to tout?
SciShow
Can Seaweed Save the World?
Although plants are great carbon-removing tools, plant agriculture produces a significant carbon footprint. So, some researchers think we could turn to the oceans (specifically, seaweed) to help reverse some of the effects of climate...
SciShow
Anal Jets and Frog Urine | SciShow Quiz Show
Stefan returns to challenge Hank on Quiz Show, and the rest of the SciShow Tangents crew decided to join in the fun!
SciShow
Why Diet Might Be a Big Deal for Mental Health
Mental health is super complicated. And many things, from your genetics to your environment, can affect it. But what you EAT might be having a big impact on your mental health, too.
SciShow
Why Avocados Shouldn't Exist
The avocado is highly regarded by many people as delicious and nutritious, but the most extraordinary thing about avocados may be their very existence.
SciShow Kids
Salt’s Secret Powers!
From pancakes to ice cream, salt goes in so many things to make them taste better! But what is it and where does it come from?
SciShow
Life in a Mars Colony
Could we one day live on Mars? Reid Reimers explains Mars One could help colonize the red planet.
SciShow
6 Animals That Thrive Upside-Down
For humans, being upside-down isn’t a comfy way to hang out for very long, but for these six animals, upside-down feels just right! Chapters THREE-TOED SLOTH 0:38 UPSIDE-DOWN JELLYFISH 2:10 NUTHATCH 3:37 RED-HEADED WOODPECKER 3:57 4:55...
Be Smart
How Poop Shapes the World
Waste not, want not.... right? Poop, in all of its various forms throughout nature, shapes the world in ways you might not imagine. One creature's waste is another's fuel, and all over nature these leftovers help new life spring up....
SciShow
SciShow Quiz Show: Weird Animal Parenting
How do adult strawberry poison frogs pass on toxins to their tadpoles? What happens when scientists add iodine to axolotl tanks? Find out, as our How To Adult hosts Rachel Calderon-Navarro, Project Manager at DFTBA, and Hank Green face...
Amoeba Sisters
Carbon and Nitrogen Cycles
Explore the cycling of carbon among carbon reservoirs! Then discover the importance of nitrogen, essential for amino acids and nucleotides, and learn about the nitrogen cycle! Expand details for table of contents. Table of Contents:...
SciShow
Some Mammals Can Just… Pause Pregnancy
We generally think of pregnancy as a continuous process, but scientists have recently discovered mechanisms that allow for certain mammals to put the development of a fetus on pause.
TED-Ed
TED-Ed: Valentin Hammoudi: How tall can a tree grow?
Reaching heights of over 100 meters, Californian sequoias tower over Earth's other 60,000 tree species. But even these behemoths seem to have their limits: no sequoia on record has been able to grow taller than 130 meters. So what...