SciShow
Why Your Dog Has An Anti-Tick Pill And You Don’t?
If you've ever given your pet an anti-flea and tick medicine, you may have wondered why there's not a similar drug out there for you. Here's a little dive into the history of these drugs, and why there may someday be a human-grade...
SciShow
Why Hairworms Don’t Have Hair
Hairworms, sometimes called horsehair or Gordian worms, are mind-controlling parasites with a twist. A genetic study found these nematomorph worms are missing 30% of their genome, and we don't understand how they live without genes for...
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.
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...
MinuteEarth
When Was The Worst Time In History To Die?
By combining historical demography and epidemiology, we can (sort of) determine how people throughout history have died.
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
The World's First Malaria Vaccine Gets a Shot in Africa | SciShow News
Last week, the World Health Organization announced that a malaria vaccine has finally made it through all the regulatory hurdles and is being distributed in the country of Malawi. Learn how it works and why it’s taken so long to develop...
SciShow
The Fly That Lays Eggs in Toad Nostrils
We were probably all told to quit picking our noses at one point, and by most standards, this is good advice. But if you were a toad, it might come in handy to scratch away blowfly eggs.
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
Animals That Do Drugs
Turns out humans aren't the only animals that can medicate themselves - many other animals have found ways to deal with illness by using natural remedies. Hank will tell you about some of the most interesting methods animals have found...
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
The Rarest Cancer on Earth: Only One Known Case
You've heard of Breast Cancer, Skin Cancer, Colon Cancer, and many others. But this specific cancer was something entirely different—it took a research team five months to diagnose this specific cancer case, and that’s due purely to its...
SciShow
5 Things Mosquitoes LOVE
Have you ever wondered why you get bit by mosquitoes more than your friends? Why do mosquitoes love some people but not others? Join Hank Green for a new episode of SciShow and discover what exactly makes people mosquito magnets!
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
What Would Happen if Mosquitoes Went Extinct?
Do mosquitoes serve a purpose in the ecosystem? As one of the most hated creatures on the planet, some people have wondered why we don't just kill them ALL? Let's unpack this issue, with SciShow!
SciShow
Why Some Parasites Are Actually GOOD (And Which Can Kill You)
When we think parasites, we often think of illness, disease, and discomfort. But did you know some of them can actually be helpful? Join Stefan Chin and learn all about them in a fun SciShow compilation all about the world of parasites!
SciShow
Broods, Brains, and Blood: Where Won’t Parasites Go? | Compilation
Parasites. They’re all around us, from birds’ nests to litter boxes to our brains, and while plenty of them are harmful to the health of animals like us, some of them can actually be good!
SciShow
6 Ways Animals Prevent Epidemics
Humans aren’t the only ones who have to worry about epidemics: meet six other animals who take their own precautions to avoid getting sick! Chapters pathogens 0:40 vectors 1:15 VECTOR AVOIDANCE: BLUEBIRDS 2:19 social immunity 3:35...
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
Paul A. Kramer: Our immigration conversation is broken -- here's how to have a better one
How did the US immigration debate get to be so divisive? In this informative talk, historian and writer Paul A. Kramer shows how an "insider vs. outsider" framing has come to dominate the way people in the US talk about immigration --...
SciShow
What We've Learned from Fossilized Farts
We tend to think of fossils as dinosaur bones or petrified wood, but what if we told you that there's a lot we can learn from fossilized waste?