When Was The Worst Time In History To Die?
AdultsHealthHistoryHumanScience... By combining historical demography and epidemiology, we can (sort of) determine how people throughout history have died.
Explore the three main ways viruses can be driven to extinction, and dig into the possibility of COVID-19 dying out.
AdultsHealthHistoryHumanScience... 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.
How to stay calm when you know you'll be stressed
AdultsHealthHumanPsychologyMental HealthSelf... 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
YouthFactsHealthScience Tinnitus is a condition when a person hears a sound when there is no sound stimulus.
Pearly Whites: Weird But True!
KidsAnimalsHealthScienceFun... 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
YouthHealthHow-to What should you do if someone is having a serious allergic reaction? Let's find out from Dr. Chris and Dr. Xand.
The Future of Public Health: Crash Course Public Health #10
AdultsHealthHistoryHumanEducationFuture... 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.
The Robot Boot That Learns As You Walk
YouthScienceTechnologyHealth Exoskeletons, devices designed to augment and enhance mobility, are fast becoming a reality, thanks to an explosion in research in recent years.
The Foods That Can Improve Memory
YouthFactsFoodScienceHealth... Memory is our ability to recall information from the recent or distant past. But can what we eat affect how well it works?
Humans Versus The Common Cold
YouthFactsHealthScienceBiology... 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
AdultsHealthHumanPsychology 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
AdultsHealthHumanLifeEducationScience... 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.