The video owner has disabled playback on external websites.
This video is no longer available on YouTube.
This video cannot be played right now.
Watch on YouTube
Unlock AI-Powered Learning Tools
Sign up to access powerful tools that help you learn faster from every video.
Why Humans Only Need To Vaccinate A Few Bats
AI Summary
In this video, you will explore the science of rabies transmission and modern efforts to control it. The lesson explains why the virus is so deadly, how it spreads through vampire bat colonies, and why traditional "extermination" methods are often ineffective or harmful. Most importantly, you will learn about an innovative, non-lethal solution: using a specialized, edible gel—similar to the thickeners found in hot cocoa—to distribute vaccines through the bats' natural social grooming behaviors. This video is an excellent resource for expanding your scientific vocabulary and understanding how researchers apply creative solutions to complex public health challenges.
Learning Stats
CEFR Level
Total Words
Unique Words
Difficulty
Subtitles (172 segments)
This video is sponsored by Squarespace.
You’ll probably never get rabies,
but that doesn’t make it any less terrifying.
The disease is virtually always fatal once symptoms emerge.
And while we have some post-exposure treatments,
they rely on getting to the doctor in time.
So a much better solution would be to prevent rabies in the first place.
And to do that, it’s animals that we need
to figure out a better solution for.
Because they’re the ones who often transmit it to us.
Which is extra complicated when we want
to curb the spread of rabies due to vampire bats.
Since their whole deal is biting other animals,
stopping them from spreading rabies along the way isn’t easy.
But new research shows the solution to vampire
bat rabies might be an ingredient in your hot cocoa.
[♪INTRO]
Rabies is an RNA rhabdovirus found in the Lyssavirus genus.
It almost always passes to humans via an animal bite,
and it can take days to months for symptoms to show up.
These include headaches, vomiting, confusion,
fear of water, and hallucinations, all of which are
thanks to the virus infiltrating the central nervous system.
Once symptoms do appear, the patient dies within 2 or 3 days
of going to the hospital, basically 100% of the time.
A last ditch effort is the Milwaukee Protocol,
where doctors put the patient into a medically induced coma,
pump them with antivirals, and hope for the best.
But only about a couple dozen people have survived, and
they often have major neurological deficits after all’s said and done.
And it’s not just human lives on the line either.
Cattle are frequent rabies victims,
with economic impacts in the tens of millions of dollars.
So preventing their infections could save their lives,
and also all the beef, dairy, and money that comes with them.
Full subtitles available in the video player
Key Vocabulary (45)
A fatal viral disease of the central nervous system that is transmitted to humans through the bite or scratch of an infected animal. It is characterized by symptoms such as fever, fear of water, and extreme mental confusion.
The plural form of bat, referring to the nocturnal flying mammals. It is also used informally as a slang term to mean eccentric or crazy.
A long, specially shaped piece of wood or metal used for hitting the ball in sports like baseball or cricket. It typically has a narrow handle for gripping and a wider end for striking the ball.
Practice with Exercises
Generate vocabulary, grammar, and comprehension exercises from this video
Comments (0)
Login to CommentSign up to unlock full features
Track progress, save vocabulary, and practice exercises
Interactive Mode
Quiz
Correct answer:
Related Videos
Notes from Google Play 2025: Build successful apps and games
Now in Android: 118 –What’s new in Android development at Google I/O 2025 (part 2)
You’re Passing Way Too Many Arguments (and How to Fix It)
How Soviet Smugglers Fought Censorship With X-Rays
The Evolutionary Basis of Autism
SciShow
Quiz
Correct answer:
Quizzes appear as you watch the video
Memory Tip
From this video
Start learning languages for free
