Be Smart
Why Are Some People Left-Handed?
We've got two perfectly good hands attached to two perfectly good arms, so why do most people prefer to use one over the other for common tasks?
TED Talks
TED: A secret weapon against Zika and other mosquito-borne diseases | Nina Fedoroff
Where did Zika come from, and what can we do about it? Molecular biologist Nina Fedoroff takes us around the world to understand Zika's origins and how it spread, proposing a controversial way to stop the virus -- and other deadly...
SciShow
The Wasp That Reprograms Spiders
Scientists have observed a new parasitic behavior between a wasp and a social species of spider, where the spider re-learned an ancestral behavior!
SciShow
6 Delightfully Goth Animals
When you see a black cat, you might think of witches and goth bands, but they're also a great example of a melanistic animal, and they're not the only ones! Chapters MELANISTIC ANIMAL 0:24 PYGMY GRASSHOPPERS 0:48 BLACK PANTHERS 1:53...
SciShow
We Found a Bunch of New Eye Color Genes | SciShow News
This week, scientists have managed to make tear gland organoids that cry, and have also found a bunch of new genes involved in eye color!
SciShow
Bioprinting and Pig Chimeras: The Possible Future of Organ Transplants
From bioprinting to growing organs in non-human animals, doctors and scientists are looking at different ways to make organ transplants a less challenging procedure.
Amoeba Sisters
Alleles and Genes
Join the Amoeba Sisters as they discuss the terms "gene" and "allele" in context of a gene involved in PTC (phenylthiocarbamide) taste sensitivity. Note: as mentioned throughout video, the ability to taste PTC may be more complex than a...
SciShow
Killing Mosquitoes With a Flip of a Gene
Eliminating certain species of mosquitoes could make summertime more enjoyable and cut down on the transmission of certain diseases. And scientists are looking into doing this by manipulating a single gene!
SciShow
Could the Plague Rise Again?
How likely is a 21st-century epidemic of the plague? Unlike other diseases, the plague is alive and well in some parts of the world, but scientists and doctors are continuing to develop better treatments.
SciShow
Why Do We Get Freckles?
Your parents may have told you that every freckle on your face was a kiss from an angel, but SciShow is here to ruin that delusion for you.
SciShow
These Ant Paramedics Save Their Injured Comrades
A species of ant has been discovered to rescue and tend to the battle wounds of other ants injured while hunting, and scientists think that this is the first time this behavior has ever been observed in insects.
SciShow
Why Did the Rooster Lose Its Penis?
Why did so many birds ditch penises? Maybe it was natural or sexual selection, an accident, or in exchange for something way more useful to them. Whatever the reason, penis loss goes to show that internal fertilization doesn’t require a...
SciShow
SciShow Quiz Show: Invest in Your Digestion!
It's Green vs. Green in this week's quiz show as Hank battles Katherine to see who takes home all the marriage points.
Amoeba Sisters
Incomplete Dominance, Codominance, Polygenic Traits, and Epistasis!
Discover more types of non-Mendelian inheritance such as incomplete dominance and codominance with the Amoeba Sisters!
SciShow
Do Bacterial Cells Store Memories?
Some bacteria seem to be using a type of memory to help them alter future behaviors, based on their past experiences.
SciShow
What Causes Dimples?
Dimples! They're so cute, but surprisingly mysterious! What causes them naturally and how can we make them happen?
SciShow
Stevie Boebi and Huckleberry the Beaver: SciShow Talk Show
Hank is joined this week by Stevie Boebi, lesbian sex expert and host of her own YouTube channel, as well as Jessi and Huckleberry from Animal Wonders!
Bozeman Science
LS3A Inheritance of Traits
In this video Paul Andersen explains the importance of DNA is organisms. DNA contains the blueprint for each organisms. The DNA codes for the mRNA which creates proteins. The DNA also is the unit of inheritance which is passed from...
SciShow
How We Go from Animal Model to Clinical Trial
Testing new treatments in other animals can help us spot complications or potential pitfalls, but the results don’t always carry over to humans, which means that safely going from animal to human trials is a lot more complicated than you...
SciShow
Why Do Corgi Mixes Always Look Like Corgis?
Humans have had a soft spot for these furry little mutants ever since our friendship with dogs began, but why is it that Corgi mixes often just look like a Corgi that’s wearing a costume?
TED Talks
TED: A new superweapon in the fight against cancer | Paula Hammond
Cancer is a very clever, adaptable disease. To defeat it, says medical researcher and educator Paula Hammond, we need a new and powerful mode of attack. With her colleagues at MIT, Hammond engineered a nanoparticle one-hundredth the size...
Amoeba Sisters
Gene Regulation and the Order of the Operon
Explore gene expression with the Amoeba Sisters, including the fascinating Lac Operon found in bacteria! Learn how genes can be turned "on" and "off" and why this is essential for cellular function.
SciShow
Using Genetics (and Sugar) to Control Malaria
Mosquitos might not be everyone’s favorite bug, but there’s a way we might at least be able to more comfortably coexist with these agitating arthropods.
SciShow
The Sweetest Rocks in Space
Sugars aren’t just for munching and crunching, they also make up our genetic code! So what does it mean to find sugars INSIDE meteorites?