Public Health
What is a coronavirus?
Lesson duration 05:16
For almost a decade, scientists chased the source of a deadly new virus through China’s tallest...
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Results for "Corona Virus" (18)
Public Health
How soap kills the coronavirus
Lesson duration 03:45
You've been told a thousand times: wash your hands to stop the spread of COVID-19. But why does...
Health
How does herd immunity work?
Lesson duration 15:37
Since the start of the coronavirus COVID-19 pandemic, the term “herd immunity” has been all over...
Public Health
The coronavirus explained and how you can combat it
Lesson duration 08:35
The coronavirus or COVID-19 pandemic is impacting every nation on Earth. Whether it is the deadly...
Public Health
Which is better: Soap or hand sanitizer?
Lesson duration 06:15
Your hands, up close, are anything but smooth. With peaks and valleys, folds and rifts, there are...
Public Health
When is a pandemic over?
Lesson duration 05:53
Consider the following scenario: a highly infectious, sometimes deadly respiratory virus infects...
Health
Will there be another pandemic in your lifetime?
Lesson duration 06:07
We tend to think of pandemics as unlikely events, but disease outbreaks are surprisingly common....
Public Health
How well do masks work?
Lesson duration 08:21
Wearing a mask is a cheap and easy way to help stop the spread of airborne infections like...
Philosophy & Religion
You can only save one— who do you choose?
Lesson duration 04:26
You are the captain of an interstellar cargo transport headed to port when you receive two...
Science & Technology
3 ways to end a virus
Lesson duration 06:10
Viruses are wildly successful organisms. There are about 100 million times as many virus...
Health
Does COVID mess with your DNA?
Lesson duration 07:31
As more and more are infected with COVID-19, there's a growing group of people who have what's...
Science & Technology
Why bats don't get sick
Lesson duration 05:50
Consider a bat that is infected with several deadly viruses, including ones that cause rabies,...
Health
How the COVID-19 vaccines were created so quickly
Lesson duration 05:08
In the 20th century, most vaccines took over a decade to research, test, and produce. But the...
Thinking & Learning
Can you outsmart a troll (by thinking like one)?
Lesson duration 05:01
Your town is holding a mayoral election and the stakes have never been higher. You suspect one of...
Social Studies
The diseases that changed humanity forever
Lesson duration 05:44
Since humanity’s earliest days, we’ve been plagued by countless disease-causing pathogens....
Business & Economics
What is a gig economy?
Lesson duration 05:38
A 2016 survey of freelancers in six countries found that those who freelance by choice– 70% of...
Social Studies
Why plague doctors wore beaked masks
Lesson duration 05:33
The year is 1656. Your body is wracked by violent chills. Your head pounds and you're too weak to...
Business & Economics
Can the economy grow forever?
Lesson duration 06:04
Many economists think that an eternally growing economy is necessary to keep improving people’s...