SciShow
Why Smoking Makes It Harder to Heal
If a doctor has told you to quit smoking, that's not just because they're worried about lung cancer. Those cigarettes are messing up your body's natural healing process in more ways than one.
SciShow
How Long Does SARS-CoV-2 Last on Surfaces? What We Know
If a surface is contaminated with the SARS-CoV-2 virus, how long does it pose a risk of infection?
SciShow
How Do You Get Rid of Bacteria in Space Stations
When astronauts go into space, they're not always going alone.
TED Talks
TED: How COVID-19 human challenge trials work -- and why I volunteered | Sophie Rose
In April 2020, epidemiologist-in-training Sophie Rose volunteered to be infected with the virus that causes COVID-19. As a young, healthy adult, she's offering to take part in a human challenge trial, a study where participants are...
SciShow
Seeing Sick Birds Boosts Canaries’ Immune Responses
Unlike humans, domestic canaries don’t have the option of social distancing when one of their own is ill. But canaries may have evolved a nifty workaround for protecting their populations when disease strikes!
SciShow
How Measles Vaccines Protect You From Other Diseases
Since measles vaccines started making their rounds, child mortality has dropped by up to 90% percent in some countries. That’s more than you’d expect if the measles vaccine just prevented deaths from measles. Can science explain this...
SciShow
7 Organs You Could Totally Live Without
Most people know that they don't need their appendix, but what other organs can humans live without?
SciShow
What Are Those Lines on My Nails?
You’ve probably had some. White lines or spots that appear and grow out with your nails. Why does this happen? There are a few reasons, ranging from bumping your nail to poisoning. Check out his Quick Question to see what might apply to...
TED Talks
TED: How a long-forgotten virus could help us solve the antibiotics crisis | Alexander Belcredi
Viruses have a bad reputation -- but some of them could one day save your life, says biotech entrepreneur Alexander Belcredi. In this fascinating talk, he introduces us to phages, naturally-occurring viruses that hunt and kill harmful...
TED Talks
Maryn McKenna: What do we do when antibiotics don't work any more?
Penicillin changed everything. Infections that had previously killed were suddenly quickly curable. Yet as Maryn McKenna shares in this sobering talk, we've squandered the advantages afforded us by that and later antibiotics....
SciShow
What's the Deal with Warts?
On today's Quick Question, we absolve the poor, humble toad of its wart-giving reputation. Learn about the virus that causes warts, how they spread, and what you can do to get rid of them.
Bozeman Science
Viral Replication Simulation
Paul Andersen explains a viral replication simulation that he created for his AP Biology class. He used Google docs to keep track of viral strains, Moodle messaging to pass the virus from student to student, and dice to generate mutation...
SciShow
Why Are COVID Fatality Rates Dropping?
Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.
SciShow
The Messy Path to the First Successful Organ Transplants
Today, the organ transplantation is one of the well-known medical treatment, but the road to the first successful organ transplant was full of challenges, discoveries, and a whole lot of work.
SciShow
Will COVID-19 Go Away in the Summer?
COVID-19 has the potential to ebb and flow with the seasons, but because it's a novel pandemic, that doesn't mean we're off the hook this summer.
SciShow
Eyeball Licking: Please Don't
So you think eye licking (also known as worming) is just a harmless bit of foreplay? Think again.
SciShow
What Happens If You Leave Stitches in for Too Long?
Leaving your stitches in too long can have some serious consequences.
TED-Ed
TED-Ed: What is HPV and how can you protect yourself from it? - Emma Bryce
Get informed on the causes and risks of human papillomavirus, HPV, and how to protect yourself from the infection. -- At some point, most sexually active people will be infected with human papillomavirus, or HPV. There are over 100 types...
SciShow
Cutting Beef Could Reduce Emissions. No, Like, a Lot
Switching from beef to a specific kind of vegetarian protein just once a week could have huge environmental benefits, according to a study out this week in Nature. And, in a study in Nature Communications, researchers in the US have...
TED Talks
TED: A simple birth kit for mothers in the developing world | Zubaida Bai
TeD Fellow Zubaida Bai works with medical professionals, midwives and mothers to bring dignity and low-cost interventions to women's health care. In this quick, inspiring talk, she presents her clean birth kit in a purse, which contains...
SciShow
3 Things We Can Do to Stop Ebola
SciShow News explains the science behind the latest efforts to stop the spread of ebola: including airport screenings, treatments for patients, and developments in the search for a vaccine.
TED Talks
TED: What happens when you have a disease doctors can't diagnose | Jennifer Brea
Five years ago, TED Fellow Jennifer Brea became progressively ill with myalgic encephalomyelitis, commonly known as chronic fatigue syndrome, a debilitating illness that severely impairs normal activities and on bad days makes even the...
SciShow
Spider Rain?!!
Hank sets the record straight for us, discussing a rain of spiders in Brazil (!?), a new virus that has the internet all a-twitter, and another asteroid recently found to have hit the Earth (not the one in Siberia!) - are you ready for...
SciShow
Long COVID and Post-infection Syndromes: What We Know So Far
The list of symptoms for “Long COVID” are even more vast than the opinions about the right name for the condition. But the more we learn about it, and how it is similar to other post-infection syndromes, the better we can help those who...