PBS
How Evolution Works (And How We Figured It Out)
As a scientific concept, evolution was revolutionary when it was first introduced. With the help of all three of our hosts and the Smithsonian National Museum of Natural History’s new Deep Time Hall, we’ll try to explain how evolution...
Curated Video
How (Some) Plants Survived The K-Pg Extinction
Perhaps for plants in times of great stress and ecological upheaval, the more DNA the better.
PBS
The Island of the Last Surviving Mammoths
The Wrangel Island mammoths would end up being the final survivors of a once-widespread genus. In their final years, after having thrived in many parts of the world for millions of years, the very last mammoths that ever lived...
PBS
How Plate Tectonics Gave Us Seahorses
How did seahorses — one of the ocean’s worst swimmers — spread around the globe? And where did they come from in the first place?
PBS
Gene study links Africans to higher risk of Parkinson’s
One million Americans live with Parkinson’s disease, a progressive condition that causes problems with body movement. New research has identified a genetic variant that increases the risk of Parkinson’s in people of African descent, and...
Be Smart
Why Are There As Many Males As Females?
In almost every animal species on Earth, equal numbers of males and females are conceived. Why is that? Especially in populations like lions or elephant seals, where most males don’t get to mate? That’s survival of the laziest, not...
Be Smart
Why Is Sex a Thing?
Why does sex exist? You might think the obvious answer is “reproduction” but there are plenty of organisms on Earth that don’t require sex to reproduce. And the more that scientists examined sex, they more they realized that it’s an...
Be Smart
What is Impossible in Evolution?
Could humans ever evolve to have wings? Why don’t fish have propellers? Why don’t tigers have wheels? Why don’t zebras have laser turrets? These might all seem like stupid questions (and maybe they are!) but they can teach us a lot about...
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
Will Climate Change Turn More Reptiles Female?
We hear all the time about the ways that climate change could disrupt the world. But thanks to a quirk of reptile biology called temperature-based sex determination, it could also mean a surge in the numbers of female reptiles.
Amoeba Sisters
Punnett Squares and Sex-Linked Traits (UPDATED)
Explore how to solve Punnett squares that involve sex-linked traits, specifically focusing on X-linked traits. Video has a resource available here https://www.amoebasisters.com/handouts This 2023 UPDATED sex-linked traits Amoeba Sisters...
SciShow
This Sturgeon-Paddlefish Hybrid Shouldn't Exist | SciShow News
Chromosome shenanigans have resulted in some unexpected hybrid fishes. Also, this record-breaking mouse lives at a ridiculous altitude.
SciShow
The Tiny Fish That's Changing Modern Medicine
The little fish Danio rerio holds secrets to understanding how vertebrates develop, how diseases like cancer work, and how we might one day learn how to regenerate human heart tissue.
SciShow
The Secret of Your "Junk," Revealed!
Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.
SciShow
New Insights Into What Fruit Fly Sex Is Like
It's the year 2018, and we now know that flies like to ejaculate. But how does this tie into our understanding of addiction?
SciShow
New Genetic Clues to the Mystery of Your Giant Brain
Big-brained scientists have found the mechanism that may have allowed their brains (and all humans') to get so big.
SciShow
A.I. Reveals Autism-Linked Changes in "Junk" DNA | SciShow News
Scientists know that genetic factors can explain many of autism’s features - but have autism researchers been looking for those features in the wrong DNA? A new study uses A.I. to uncover changes linked to autism in the stretches of non...
SciShow
6 Species Unlike Anything Else | Evolutionary Loners
What happens when a species is the only of its kind? This phenomenon is called a monospecific taxon. Studying these special species can help us better understand not just those sparse groups, but all life on this planet! Join Olivia...
SciShow
Could Your Blood Type Ever Change?
From A positive to O negative, everyone's born with a blood type, and they're stuck with that blood type for their whole lives... or are they?
SciShow
Conservation Genomics and Kizmit the Porcupine: SciShow Talk Show
Brit Garner, host of SciShow Psych, talks about the research she's doing in conservation genetics/genomics, and Jessi from Animal Wonders shows off an African crested porcupine!
SciShow
How People Have Evolved to Live in the Clouds
High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at...
SciShow
Chimera Cats and Your Mom
Hank talks about chimeras, and why Venus the cat probably isn't one - but your mom might be!
SciShow
Cephalopods Have a Totally Wild Way of Adapting
With their squishy bodies and color-changing abilities, octopuses and other cephalopods already look like our planet’s resident aliens. But researchers have discovered yet another thing that separates them from most other animals on...
SciShow
Can Your Cat Change Color?
Brown cats are something of a rarity, but you may have something pretty close.