SciShow
How to Eat When You Don't Have a Mouth: Lessons From 5 Animals
Not all animals have a mouth, or even need one to eat! These different feeding strategies can teach us a lot about our ancestors and how they went from not needing a mouth at all to only eating with one.
SciShow
How a Bee Becomes Queen
Royal jelly! For bees, it’s what makes all the difference between a queen and a worker.
SciShow
These Chimps Treat Each Other’s Wounds. With Bugs
Chimpanzees in Gabon have been observed using bugs as a possible antiseptic, but what's more surprising is that they're applying this remedy to one another in what may be a form of chimpanzee health care.
Crash Course
Blood Vessels, part 1 - Form and Function: Crash Course A&P
Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures...
SciShow
The First Conservation Efforts Protected… Poop?!
The idea of conservation might seem like a thing that’s only popped up in the last century or so, but organized efforts to conserve resources that directly benefit humans go back centuries!
SciShow
Does Microwaving Food Destroy Its Vitamins?
Many people avoid using microwave ovens, fearing how it changes the molecular structure of your food, but studies have some evidence that may surprise you.
SciShow
Why Bacteria Don't Outweigh the Earth
Given just a little time, bacteria could outgrow earth, so what's stopping them?
SciShow
What Happens If You Fuse All Your Chromosomes? | SciShow News
Two separate groups of biologists reported fusing entire sets of Saccharomyces cerevisiae chromosomes together, and surprisingly, the actual number of chromosomes might not be as important as we thought.
Crash Course
The Digestive System: CrashCourse Biology
Hank takes us through the bowels of the human digestive system and explains why it's all about surface area.
TED-Ed
TED-Ed: What does the liver do? - Emma Bryce
There's a factory inside you that weighs about 1.4 kilograms and runs for 24 hours a day. It's your liver: the heaviest organ in your body, which simultaneously acts as a storehouse, a manufacturing hub, and a processing plant. Emma...
SciShow
Fecal Shields, and 5 Other Ways Animals Use Poop
Proud of what you just did in the bathroom? You should be, but here are 6 animals who are masters of the art of pooping!
Amoeba Sisters
Human Body Systems Functions Overview: The 11 Champions (Updated)
This is the updated Amoeba Sisters human organ systems video, which provides a brief function introduction to each of the 11 human organ systems. Table of Contents: Intro 00:00 Levels of Organization 0:49 Circulatory 1:39 Digestive 2:40...
MinuteEarth
Why Farming is Broken
To feed everyone in the future, we may need to disrupt 10,000 years of farming practices and turn agriculture into a closed system. ___________________________________________ To learn more, start your googling with these keywords:...
TED-Ed
TED-Ed: Why do women have periods?
A handful of species on Earth share a seemingly mysterious trait: a menstrual cycle. We're one of the select few mammals on Earth that menstruate, and we also do it more than any other animal, even though it's a waste of nutrients, and...
TED-Ed
TED-Ed: How breathing works - Nirvair Kaur
We breathe constantly, but have you ever thought about how breathing works? Discover the ins and outs of one of our most basic living functions-- from the science of respiration to how to control your breaths.
SciShow
Beware the Bug Spit: How Spittlebugs Accidentally Doom Plants
Ever wondered what makes those balls of white foam you sometimes find clinging to plants? Spittlebugs create these bubbly cocoons after feeding on a plant’s fluids; but unfortunately, their eating habits help transmit a deadly bacteria...
SciShow Kids
The Very First Living Thing! | The History of Life! | SciShow Kids
Squeaks built a pretend time machine, and he and Mister Brown use their imaginations to travel back in time to learn all about the very first living thing! Second Grade Next Generation Science Standards Disciplinary Core Ideas: LS4.D:...
SciShow
These 100-Million-Year-Old Microbes Are Still Alive!
Researchers have found ancient communities of microbes that have been buried deep, for a hundred million years! This discovery might be the oldest living thing on Earth, and could even expand the search for life on other planets.
Crash Course
Blood Vessels, part 2: Crash Course A&P
And now we return to blood vessels. In this episode, we start discussing what blood pressure is, how it can become "high", and what that means for our health. One of the more interesting points is that your body has ways of dealing with...
TED-Ed
TED-Ed: How to 3D print human tissue | Taneka Jones
There are currently hundreds of thousands of people on transplant lists, waiting for critical organs like kidneys, hearts and livers that could save their lives. Unfortunately, there aren't enough donor organs available to fill that...
SciShow
4 Parasites Too Creepy to Exist
Warning! This episode is a little gross… Between 1/3 and 1/2 of all life on earth is parasitic - and here are 4 of the creepiest parasites we know about.
SciShow
This Tree Oozes Metal Sap
In the South Pacific, there is a rare tree so rich in metal that its sap runs blue.
SciShow
Carnivorous Sponges — So That's a Thing
There aren't many creatures as safe and chill as the humble sea sponge, right? Well, not so fast! It turns out there's a whole family of carnivorous sponges that trap and eat small animals using spines and migrating stomaches!
TED-Ed
TED-ED: What does the pancreas do? - Emma Bryce
Beneath your ribs, you'll find, among other things, the pancreas -- an organ that works a lot like a personal health coach. Emma Bryce explains how this organ controls your sugar levels and produces a special juice that releases the...