Explore the three main ways viruses can be driven to extinction, and dig into the possibility of COVID-19 dying out.
Adults Health
Viruses are wildly successful organisms. There are about 100 million times as many virus particles on Earth as there are stars in the observable universe.
All Better: Boo
Kids Health
Boo's got a problem: her leg is bent, and it's making her really shy...
Learn About Your Blood
Kids Health
Learn all about your blood from Dr. Chris and Dr. Xand!
How to stay calm when you know you'll be stressed
Adults Health
You're not at your best when you're stressed. In fact, your brain has evolved over millennia to release cortisol in stressful situations, inhibiting rational, logical thinking but potentially helping you survive, say, being attacked by a lion.
Tinnitus: The Sound of Your Brain
Youth Health
Tinnitus is a condition when a person hears a sound when there is no sound stimulus.
Pearly Whites: Weird But True!
Kids Health
Find out why a rabbit, lobster, shark, and dinosaur all need a dentist in this Weird But True! video.
How To Treat An Allergic Reaction
Youth Health
What should you do if someone is having a serious allergic reaction? Let's find out from Dr. Chris and Dr. Xand.
All Better: Bea
Kids Health
Bea the duckling is SO frustrated! She really wants to walk, but every time she takes a step, she falls flat on her face.
The Future of Public Health: Crash Course Public Health #10
Adults Health
We don’t know what the next big scientific breakthrough is going to be or what futuristic diseases we’ll encounter. But when it comes to our health, we actually have a pretty good idea of what could be next.
What Does Endemic Mean?
Kids Health
Kids News contributor Saara Chaudry explains the term endemic.
Food Myths: Do Carrots Improve Your Eyesight? | WIRED
Adults Health
Your parents always told you to eat your veggies, especially carrots if you want good eyesight. But can they really improve your vision? WIRED takes a look.
Three Dancing Mice
Kids Health
Three Dancing Mice by Jack Hartmann is a fun movement brain break song.
Humans Versus The Common Cold
Youth Health
Dig into the two main ways we fight the viruses that cause the common cold, and find out if it’s possible to create a cure.
Why you procrastinate even when it feels bad
Adults Health
Explore what happens in the brain to trigger procrastination, and what strategies you can use to break the cycle of this harmful practice.
Stress is Bad for Your Health: Crash Course Public Health #5
Adults Health
Our identities, societies, and health are all mixed together in cool, weird, and often deeply unfair ways. One of the big factors that comes out of that mix is stress.
There’s No Such Thing As “Warm-” Or “Cold-” Blooded
Adults Health
The concept of warm-blooded and cold-blooded animals is outdated because there are actually tons of different animal thermoregulation strategies.
Which Healthcare System is Best?
Adults Health
Are you ready for the understatement of the century? Health care is complicated. Across the 200 or so countries on Earth, there are a lot of different ways people receive health care.
Macaws And Other Pet Birds
Kids Health
Macaws, parrots, budgies, caiques, and parakeets pet care can be challenging.
How Laws Affect Your Health: Crash Course Public Health
Adults Health
If you’ve been paying attention to the news since, oh, say, 2020, then you’ll no doubt be aware that public health policy can often create tension.
Why Do We Sweat?
Youth Health
John Murnan explores the science behind sweat.
The Deadliest Virus on Earth
Adults Health
In the 1970s thousands of Chickenheads rained from the sky in Europe, making foxes and other wildlife confused and very happy. Why?