SciShow
This Animal Lays Eggs AND Has Live Young
You might think that an animal either lays eggs or has live young. But these species prove it's a lot more complicated than that.
SciShow
We May Be Able To Grow Human Organs In Animals. Should We?
Seventeen people in the US die /every day/ waiting for an organ transplant, usually a kidney. One approach is to grow extra kidneys in pigs, an idea known as xenotransplantation. We'll look at two recent milestones, as well as the...
PBS
How the Egg Came First
The story of the egg spans millions of years, from the first vertebrates that dared to venture onto land to today’s mammals, including the platypus, and of course birds. Like chickens? We’re here to tell you: The egg came first.
SciShow
Can We Treat Alzheimer's With Period Blood?
From diabetes to Alzheimer's, there's a lot that we hope to be able to treat using stem cell therapies. But the stem cells we use tend to be hard to come by. But it turns out there's a new source of stem cells that has researchers...
SciShow
The Bizarre Evolution of Hemipenes (yes...hemipenes.)
Snakes have two penises (aka hemipenes) that come in a diverse array of shapes and sizes. And they could owe it all to their lack of legs.
SciShow
What the CRISPR Embryo Editing Study Really Taught Us
What did the recent study using the CRISPR gene editing technique actually entail, and what did we learn from it? Hosted by: Hank Green
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.
SciShow
What the CRISPR Embryo Editing Study Really Taught Us
What did the recent study using the CRISPR gene editing technique actually entail, and what did we learn from it?
SciShow
Why Do Men Have Nipples?
If men can't nurse, then why do they have nipples? The answer has less to do with evolution and more to do with your personal development as a teeny tiny embryo. Short version: We're all girls -- at least at first. Hank explains!
TED-Ed
TED-Ed: How turtle shells evolved... twice - Judy Cebra Thomas
Check out the fascinating science behind the evolution of the turtle shell, over 260 million years in the making. -- Modern turtle shells are almost as diverse as the turtles themselves. Sea turtles have flatter, lighter shells for...
SciShow
4 Weird Lab Animals
Why do scientists try to learn about /people/ by studying creatures that none of us could ever be mistaken for? Learn about model organisms, and why they're so helpful for us.
SciShow
The First Human-Pig Chimeras
Heart transplants are hard to come by, but based on the results of two papers published this week, we might one day be able to grow all the organs we need!
SciShow
The First Gene-Edited Babies Are Here, Like It or Not | SciShow News
A researcher in China used the gene editing technique known as CRISPR to change the DNA of human embryos. Hank unpacks why this is being universally condemned by scientists.
SciShow
Active Volcanoes: The Perfect Egg Incubators
You probably don't think of active volcanoes as the ideal place to build a nursery, but for some animals, they're the perfect spot to incubate their unborn babies!
MinuteEarth
The Lost Penis Enigma
Because there are so many different types of penises among our evolutionary relatives, we didn’t know until a recent discovery whether they all had the same origin.
SciShow
Big Breakthrough in Artificial Wombs | SciShow News
A new experimental design that can sustain mouse embryos outside the uterus means that soon, we may be able to watch mammalian embryo development in real time.
SciShow
The Science Behind 'Genetically Modified Humans'
The media have been talking about “genetically modified humans” and “designer babies.” But what they’re really talking about is germ-line engineering: a process that could help eliminate heritable diseases. So why do some scientists want...
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.
SciShow
How Do Brine Shrimp Survive In Packaging For Years?
Nearly everyone has some experience with the illustriously branded brine shrimp, but there’s a whole lot more to the creatures’ resilience than what it says on the box.
SciShow
Taboos of Science
Hank discusses some of the taboos which have plagued scientific inquiry in the past and a few that still exist today.
TED Talks
TED: What happens to people's donated eggs and sperm after they die? | Ellen Trachman
Today, there are many ways to conceive a child, thanks to assisted reproductive technologies like IVF and egg-freezing. But the law lags behind these advancements, says attorney Ellen Trachman, troubling parents-to-be with...
SciShow
Cyclopia: A Rare Birth Defect That Could Help Cure Cancer
With a greater understanding of biological mechanisms, humans may be able to take a devastating birth defect and turn it into a treatment for cancer.
SciShow
How to Milk a Cockroach
Cow, almond, soy, goat. There are a lot of choices when it comes to milk, but if you're looking for that nutritious boost of vitamins and minerals in the morning, have you considered cockroach milk?
SciShow
3 Amazing Photosynthetic Animals
Hank's love affair with plants takes a slight hit now that he's learned about several animal species that can photosynthesize. Fortunately, he's excited enough about these animals to share them with all of us! Let SciShow introduce you...