PBS
Did An Ancient Pathogen Reshape Our Cells?
There is one - and only one - group of mammals that doesn’t have alpha-gal: the catarrhine primates, which are the monkeys of Africa and Asia, the apes, and us.
PBS
How Our Deadliest Parasite Turned To The Dark Side
Around 10,000 years ago, somewhere in Africa, a microscopic parasite made a huge leap. With a little help from a mosquito, it left its animal host - probably a gorilla - and found its way to a new host: us.
PBS
How the Smallest Animal Got So Simple
We tend to think that evolution only goes in one direction— toward getting bigger and more advanced. But that’s not always the case. This tiny, simple animal, the Myxozoans, (yes, animal!) evolved from something bigger and more complex.
PBS
Cordyceps Turned These Ants Into Zombies
This fungus was actually manipulating ants’ movements, forcing them to do something they’d never ordinarily do, something strange, yet specific…
SciShow
Parasites Are Good, Actually
Parasites give most of us the heebie-jeebies. But new research shows they're pretty dang important for ecosystems, and climate change is putting them in danger. So here's some of the reasons you should care about those guys!
SciShow
Why These Animals Eat Sh*t
Of all the food options in the world, you'd think that feces would be low on anyone's preference list. But for these animals, eating poop can be anything from a delicacy to a health food - and yes, humans are on the list too.
SciShow
This Parasite Needs To Ruin Three Lives
Why do so many parasites, especially helminths aka flatworms, jump around as many as THREE hosts to complete their life cycle? Why isn't one host good enough for them? We'll find out why parasites evolve complex life cycles that don't...
SciShow
What Animal Dominates Earth?
There is a group of animals with more species than any other group, but Earth has such an astonishing variety of life that figuring out which group dominates is tricky.
SciShow
We Skipped Flu Season. That's Bad
Some experts feared we were in for a "twindemic" during the 2020-2021 flu season. That didn't happen, which might mean that there will be more people susceptible to getting sick this year.
SciShow
This Parasitic Plant Stole Over 100 Genes From Other Plants | SciShow News
Plants may not seem like they live the most exciting lives, but two new papers published this week point to different types of plants that are actually very cunning and manipulative. One, the parasitic dodder, steals both nutrients and...
SciShow
Mistletoe: The Holiday Plant That Shouldn’t Exist
Mistletoe's ability to stay green through harsh, cold weather has made it a symbol of holiday romance for centuries. But it relies on some very strange (and occasionally disgusting) adaptations to stay vibrant and healthy all winter long.
SciShow
Mind-controlling Parasites!
Hank introduces us to some freaky parasites that use mind control to hijack the brains of their hosts.
SciShow
6 Sleeper-Agent Pathogens That Can Make You Sick
Your body usually does a great job defending you from all kinds of viruses, fungi, and bacteria. However, there are some pathogens out there that can hide from your immune system and stay dormant in your body, waiting for their...
SciShow
Why Viruses are Good for Wasps
Contracting a virus is generally a bad thing, but among certain parasitic wasps, passing a virus to their offspring is actually key to their survival.
SciShow
Viroids: Possibly the Smallest Pathogens on Earth
Potato spindle tuber disease wasn't a life-or-death situation, but it led to the discovery of viroids: infectious, replicating bits of RNA
SciShow
The Viruses That Changed Our World
While viruses can be deadly and completely wreak havoc on humanity, they can also sometimes change our world for the better. Join Hank Green for a new episode of SciShow and learn the truth about the viruses that have shaped humanity...
SciShow
Brood Parasites
What if you could just drop your kids off at someone else’s place and let them have the responsibility? Well, there are some animals that do just that. They’re called brood parasites, and they lay their eggs in other animals’ nests and...
SciShow
6 Parasites That Live INSIDE Cells
When you think "parasite," you might think of leeches or some nasty tape worm, but there are some that can live inside your very own cells.
SciShow
Why Herpes Is the Most Talented Virus Ever
Unlike with many other viruses, once you get a herpesvirus you’re stuck with it for life. But just how do these master trespassers accomplish this feat?
SciShow
Hilde Mangold and the Organizer of Life | Great Minds
Experiments conducted by Hilde Mangold and Hans Spemann taught us how an animal develops from a small ball of cells into an organism with distinct, functioning parts. The work was a foundational contribution to the field of developmental...
SciShow
The Virtually-Unkillable Virus That Makes Itself a Nucleus
In 2017, scientists discovered what appeared to be an unkillable virus that does something very un-virus-like... it builds its own nucleus inside its host's cells!
SciShow
6 Parasites That Live INSIDE Cells
When you think "parasite," you might think of leeches or some nasty tape worm, but there are some that can live inside your very own cells. Chapters Plasmodium 0:56 Rickettsia 2:49 ROCKY MOUNTAIN SPOTTED FEVER 2:59 Legionella 4:09...
TED Talks
Rayma Suprani: Dictators hate political cartoons -- so I keep drawing them
"A political cartoon is a barometer of freedom," says Rayma Suprani, who was exiled from her native Venezuela for publishing work critical of the government. "That's why dictators hate cartoonists." In a talk illustrated with highlights...
SciShow
The Glow of Life | Great Minds: Emmett Chappelle
Dr. Emmett Chappelle developed a test to find living microbes on other planets, and while it hasn't yet been used to find life amongst the stars, we've found many applications for it here on Earth