SciShow
The Secret of Regeneration in... Alligators
Why can amphibians, fish and even some reptiles regenerate limbs, while birds and mammals can’t? Researchers think they might have found a clue on the tip of the alligator’s tail.
Be Smart
Why Do More Species Live Near The Equator?
Find out why more species live near the equator!
TED Talks
TED: The era of personal DNA testing is here | Sebastian Kraves
From improving vaccines to modifying crops to solving crimes, DNA technology has transformed our world. Now, for the first time in history, anyone can experiment with DNA at home, in their kitchen, using a device smaller than a shoebox....
SciShow
6 "Vegetarian" Animals that Will Give You Nightmares
Some of the animals you think of as just cute grass-eating creatures might actually be more interested in chomping on your meaty bones.
Crash Course
Biological Molecules - You Are What You Eat: Crash Course Biology
Hank talks about the molecules that make up every living thing - carbohydrates, lipids, and proteins - and how we find them in our environment and in the food that we eat.
Bozeman Science
LS4C - Adaptation
In this video Paul Andersen defines adaptations and explains how organisms can become better adapted to their surroundings using the process of natural selection. Specific examples of adaptations, like coat color in rock pocket mice, as...
Crash Course
Animal Behavior - CrashCourse Biology
Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do.
TED Talks
TED: The surprising science of alpha males | Frans de Waal
In this fascinating look at the "alpha male," primatologist Frans de Waal explores the privileges and costs of power while drawing surprising parallels between how humans and primates choose their leaders. His research reveals some of...
TED-Ed
TED-Ed: What can DNA tests really tell us about our ancestry?
Two sisters take the same DNA test. The results show that one sister is 10% French, the other 0%. Both sisters share the same two parents, and therefore the same set of ancestors. So how can one be 10% more French than the other? Tests...
Bozeman Science
Speciation and Extinction
Paul Andersen details the evolutionary processes of speciation and extinction. Stickleback evolution in Lake Loberg is used as example of rapid speciation. Adaptive radiation is illustrated using the Hawaiian honeycreeper. A brief...
Bozeman Science
Protists
Paul Andersen surveys organisms in the protists. He reviews the diversity found within the domain Eukarya and explains that the Kindgom Protista is simple a junk drawer for organisms that don't fit elsewhere.
Bozeman Science
Populations
Paul Andersen explains how populations interact in an ecosystem. The symbiosis of several populations is based on effects that may be neutral, positive, or negative. Interactions like mutualism, commensalism and parasitism are included....
SciShow Kids
Which Hand Is Stronger? Biology for Kids
Have you ever tried to write or color with both hands at the same time? It seems like it would save a ton of time, right? But for most people, one of their hands is way better at drawing or writing than the other!
TED-Ed
The incredible, bendable, twistable, expandable elephant trunk | Chase LaDue and Bruce A. Schulte
As a breeze blows through the savannah, a snake-shaped tube stretches into the air and scans the horizon like a periscope. But it's not seeing— it's sniffing. Containing no bones and an estimated 40,000 muscles, an elephant trunk is one...
Crash Course
Speciation: Of Ligers & Men - Crash Course Biology
Hank explains speciation - the evolutionary process by which new biological species arise - in terms of finches, ligers, mules, and dogs.
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
The Science of Lying
Hank gets into the dirty details behind our lying ways - how such behavior evolved, how pathological liars are different from the rest of us, and how scientists are getting better at spotting lies in many situations.
TED-Ed
TED-ED: Why extremophiles bode well for life beyond Earth - Louisa Preston
Life on Earth requires three things: liquid water, a source of energy within a habitable range from the sun and organic carbon-based material. But life is surprisingly resilient, and organisms called extremophiles can be found in hostile...
SciShow
North America’s Destructive, Invasive… Earthworms
Earthworms may be good for your garden, but they also have the potential to disrupt forest ecosystems across much of North America.
SciShow
Symbioses Are Way More Complex Than You Think!
When we hear the term symbiosis, we tend to think about a simple partnership between two biological organisms. But in many cases, there are more than two parties involved and it's way more complicated.
SciShow
Why Do Our Noses Run in the Cold?
Have you ever had a romantic moment ruined by a cold runny nose? Michael Aranda explains why it happens in this episode of SciShow Quick Questions.
SciShow
The Wild Reasons Many Older People Wake Up So Early
You might think your grandma who wakes up at 4am just needs less sleep than younger people. Not so! Studies suggest there are some bizarre reasons older people rise at the crack of dawn, including something called brain sand!
Curated Video
This Land Is Your Land - Project For Awesome 2016
About the importance of the National Parks Foundation.
Bozeman Science
Biological and Polymer Systems
In this video Paul Andersen explains how the structure of a biomolecule fits the function of the biomolecule. For example and enzyme must interact correctly with a substrate to lower the activation energy, The covalent and non-covalent...