SciShow
Your Best Friend Probably Smells Like You
The microbes that crawl all over us give us our unique scents. And research shows that not only do we prefer our own, but we tend to choose friends with a similar smell.
Be Smart
Could You Be a Chimera?
Ever feel like you aren't totally yourself? Well, maybe you aren't. In this video, we explore the idea of human chimeras. In mythology, the "Chimaera" was a beast made from different animals combined into one. But in biology, a chimera...
SciShow
The Truth About Twins & Doppelgängers
What is the science behind doppelgängers? In this fun episode of SciShow, two bespectacled science YouTubers enter, one bespectacled science YouTuber leaves ... because while they may look suspiciously alike, Joe Hanson has his own...
SciShow
Can Your Environment Affect Your DNA? | Epigenetics Explained
Did you know that your environment and lived experiences can actually affect your DNA? Welcome to the world of epigenetics! In this fun episode of SciShow, Hank & his clone Circus Hank explain the power of epigenetics, which studies the...
SciShow
Music in Your DNA and A New Species of Human?
Is musical ability genetic? And were there more species of ancient humans than we once thought? SciShow News investigates!
TED Talks
Wendy Chung: Autism — what we know (and what we don't know yet)
In this factual talk, geneticist Wendy Chung shares what we know about autism spectrum disorder — for example, that autism has multiple, perhaps interlocking, causes. Looking beyond the worry and concern that can surround a diagnosis,...
Crash Course
Straight Outta Stratford-Upon-Avon - Shakespeare's Early Days: Crash Course Theater #14
This is the story of how a young Englishman named William Shakespeare stormed London's theater scene in the late 16th century, and wrote a bunch of plays and poems that have had pretty good staying power. We'll learn about Shakespeare's...
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
SciShow Quiz Show: With WheezyWaiter!
Welcome back to SciShow Quiz Show, where Hank goes head-to-head with Craig Benzine, better known as WheezyWaiter.
TED Talks
Sarah T. Stewart: Where did the Moon come from? A new theory
The Earth and Moon are like identical twins, made up of the exact same materials -- which is really strange, since no other celestial bodies we know of share this kind of chemical relationship. What's responsible for this special...
Be Smart
Could We Clone Ourselves?
Is the science of Orphan Black realistic? Could we clone humans, or engineer them to have customized traits? We take a look at today's genetic engineering technologies to find out if designer babies and human cloning is, or should be, a...
SciShow
Beyond Identical or Fraternal: 6 Rare Types of Twins
Twins can be a lot more complicated than just identical or fraternal, and the rarer types of twins suggest that we have a lot more to learn about human development.
TED-Ed
TED-Ed: The twins who tricked the Maya gods of death | Ilan Stavans
One day, twin brothers Junajpu and Ixb'alanke discovered their father's hidden ballgame equipment and began to play. Hearing their vigorous game, the lords of the underworld sent a messenger to challenge the boys to a match. Despite the...
TED-Ed
TED-ED: Secrets of the X chromosome - Robin Ball
The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence, so how can one twin end up with a genetic disorder while the other...
Be Smart
Is Height All in Our Genes?
I'm tall. Most of the people in my family are tall. Does that mean my son will be tall? Turns out the inheritance of height is a lot more complicated than we thought. Scientists know that nature (genes) and nurture (environment) both...
TED-Ed
TED-Ed: Why should you read "The God of Small Things" by Arundhati Roy? | Laura Wright
Set in a small town in India, "The God of Small Things" revolves around fraternal twins Rahel and Estha, who are separated for 23 years after the fateful hours in which their cousin drowns, their mother's affair is revealed, and her...
TED-Ed
TED-Ed: Einstein's twin paradox explained | Amber Stuver
On their 20th birthday, identical twin astronauts volunteer for an experiment. Terra will remain on Earth, while Stella will board a spaceship. Stella's ship will travel to visit a star that is 10 light-years away, then return to Earth....
SciShow
Mimics, Twins, and Doppelgӓngers... Obviously | SciShow Quiz Show
Two bespectacled science YouTubers enter, one bespectacled science YouTuber leaves ... because while they may look suspiciously alike, Joe Hanson has his own channels while Hank’s gonna stick around here. The only question is who will...
SciShow
Twins x Twins = Twins?
At SciShow, we ask the tough questions. Today we explore the answer to the question "if identical twin brothers married identical twin sisters, would their offspring be identical?"
SciShow
Why Does Cilantro Taste Like Soap?
It's the controversy that plagues dinner tables the world over. Cilantro tastes like soap to some people, but they may not just be picky. It could be genetic.
SciShow
Superfetation: When You Get Pregnant... Even Though You're Already Pregnant
The process of human baby making seems pretty straightforward: egg+sperm+time=baby. But hold on to your ovaries, folks! It’s pretty rare, but sometimes, days or weeks after a person gets pregnant, they can get pregnant again in a process...
SciShow
Epigenetics
Hank & his clone Circus Hank explain the power of epigenetics, which studies the factors that determine how much or whether some genes are expressed in your body.
Crash Course
Eugenics and Francis Galton: Crash Course History of Science
After Darwin blew the doors off the scientific community, a lot of people did some weird and unscientific stuff with his ideas. Francis Galton and a few others decided natural selection could be used to make the human race "better" and...
SciShow
How Do My Fingerprints Form?
How do fingerprints form? Even though many people think it's random, a lot of it has to do with your genes!