SciShow
The Most Powerful Rocket Ever, and Gecko Sex in Space
SciShow Space News shares the latest developments from around the universe, including NASA’s plan to build the world’s most powerful rocket, and the fate of Russian geckos sent to have sex in space.
SciShow
SciShow Talk Show: Animal Weapons with Doug Emlen & A Southern Three-Banded Armadillo
This week on the SciShow Talk Show Doug Emlen talks about animal weapons! Jessi from Animal Wonders joins the show to talk about animal defenses and introduce us to the southern three-banded armadillo.
SciShow
Why Do Animals Have Sex for Pleasure?
Seeking pleasure comes naturally to us humans, and we experience it in various ways, including sex. But it turns out plenty of other organisms also seek out the feeling of sexual pleasure, even outside mating purposes.
SciShow
These Insects are Smaller than a Single Cell...How?!
Fairies do exist! Well, sort of...meet the fairyfly, the smallest insect on Earth that specializes in the magic of miniaturization!
Crash Course
Natural Law Theory: Crash Course Philosophy
Our exploration of ethical theories continues with another theistic answer to the grounding problem: natural law theory. Thomas Aquinas’s version of this theory says that we all seek out what’s known as the basic goods and argued that...
Amoeba Sisters
Meiosis (Updated)
Updated meiosis video. Join the Amoeba Sisters as they explore the meiosis stages with vocabulary including chromosomes, centromeres, centrioles, spindle fibers, and crossing over. Major Points in Table of Contents: Intro 00:00 Mitosis...
TED Talks
Matt Ridley: When ideas have sex
At TEDGlobal 2010, author Matt Ridley shows how, throughout history, the engine of human progress has been the meeting and mating of ideas to make new ideas. It's not important how clever individuals are, he says; what really matters is...
Amoeba Sisters
Protists and Fungi
Get introduced to protists and fungi with the Amoeba Sisters! This video explores basic cell type, mode of feeding, habitat examples, and ecology of both protists and fungi. This video also mentions a few examples of how protists and...
TED-Ed
TED-Ed: The movement that inspired the Holocaust | Alexandra Minna Stern and Natalie Lira
Since ancient Greece, humans have controlled populations via reproduction, retaining some traits and removing others. But in the 19th century, a new scientific movement dedicated to this endeavor emerged: eugenics. Scientists believed...
SciShow
These Death-Defying Salmon Just Keep Spawning
Salmon make a hardcore journey upstream to their spawning grounds to reproduce, and it almost always ends with death. But some live to reproduce again, and more than once!
SciShow
Fighter Pilots Seem to Have More Daughters — Why?
Some people think that being a fighter pilot and a parent means that you will have a household full of daughters - but does the data back that up?
SciShow
Why Echidnas Are Evolutionary Misfits
It’s pretty well known that Australia is home to some strange animals, but echidnas are especially weird evolutionary misfits.
SciShow
Why Do Bees Buzz?
There are more than 20,000 species of bees, all of which buzz when they fly, and many of which also do it to communicate. But some bees buzz for a completely different reason that has nothing to do with communication or flight!
SciShow
How Do Pandas Exist?
Adorable, sure, but how are you alive?? Giant pandas present a conservation challenge like no other. Find out how the bears eke out an existence in the wild, and why they're proving so hard to save.
SciShow
3 Surprising Ways Animals Use Saliva
To humans, drool can seem pretty disgusting, but other animals use saliva in surprising ways. Here are some of the weirdest ways other animals use their spit to survive!
TED-Ed
TED-Ed: Myths and misconceptions about evolution - Alex Gendler
How does evolution really work? Actually, not how some of our common evolutionary metaphors would have us believe. For instance, it's species, not individual organisms, that adapt to produce evolution, and genes don't "want" to be passed...
SciShow
An Ode to Salps: Our Gelatinous Marine Cousins
Salps are more than just strange balls of goo drifting through the sea—in fact, they’re more closely related to us than they are to jellyfish, and play a huge role in marine ecosystems and the global carbon cycle as the “vacuum cleaners...
TED-Ed
TED-Ed: Can animals be deceptive? - Eldridge Adams
A male firefly emits a series of enticing flashes. He hopes a female will respond and mate with him. A female from a different species mimics his patterns: by tricking the male, she lures him in -- and turns him into a meal. Where else...
SciShow
Why Is It So Hard to Make a Male Birth Control Pill?
A safe, reversible option for male birth control has eluded scientists for decades, but a new pill is showing a lot of promise!
SciShow
Awesome Animal Dads
Let's talk about some of the awesome single dads out there in the animal kingdom!
SciShow
The Baffling Viruses That Infect... Other Viruses
Scientists have discovered viruses that infect viruses... virusception, if you will. Does this mean viruses qualify as life yet? Or are they still hanging out in the misfits drawer with sporks and Pluto?
Crash Course
Meiosis: Where the Sex Starts - Crash Course Biology
Hank gets down to the nitty gritty about meiosis, the special type of cell division that is necessary for sexual reproduction in eukaryotic organisms.
Crash Course
The Reproductive System: How Gonads Go - CrashCourse Biology
Hank lets us in on the meaning of life, at least from a biological perspective - it's reproduction, which answers the essential question of all organisms: how do I make more of myself? So, sex, how does it work?
SciShow
Why Sex?
Hank gets into why sex is the preferred method of reproduction for most species - and it's not for the reasons you're thinking.