SciShow
The Most Extreme Complex Life in the World
Humans can’t go too far above or below sea level unaided, but there are some complex forms of life that CAN survive at super high elevations or in the deepest parts of the ocean.
SciShow
4 Body Parts Discovered in the Last 10 Years
Did you know we are still discovering completely new pieces of our anatomies? Even in the last decade, we've found multiple new body parts, including some you can see with the naked eye!
TED Talks
TED: Your body language may shape who you are | Amy Cuddy
(NOTE: Some of the findings presented in this talk have been referenced in an ongoing debate among social scientists about robustness and reproducibility. Read "Criticisms & updates" below for more details as well as Amy Cuddy's...
TED Talks
Joe Kowan: How I beat stage fright
Humanity's fine-tuned sense of fear served us well as a young species, giving us laser focus to avoid being eaten by competing beasts. But it's less wonderful when that same visceral, body-hijacking sense of fear kicks in in front of 20...
SciShow
COVID-19 Reinfections Are a Thing: Here’s What We Know So Far | SciShow News
Researchers believe you can get reinfected with COVID-19, but we're not quite sure if that's a bad thing yet.
SciShow
Why Do Workout Drinks Make My Skin Tingle
Ever get a tingling sensation while getting your sweat on? The ingredients to your drink may be why.
SciShow
Why are we Ticklish
What’s up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers!
SciShow
This Animal Has a Retractable Anus
Most animals keep their poop chutes on the opposite side of their body from where they eat. But that doesn’t mean it’s always the case, and bryozoans are great examples of how creative you can get with where you put your anus.
TED-Ed
TED-Ed: The truth about electroconvulsive therapy (ECT) - Helen M. Farrell
In 1982, a young nurse was suffering from severe, unrelenting depression. She couldn’t work, socialize or concentrate. One controversial treatment changed everything: after two courses of electroconvulsive therapy (ECT) her symptoms...
SciShow
Trouble in Bed: When Sleep Turns Against Us
Having trouble sleeping? In this episode of SciShow, Hank explores different kinds of sleep disorders, from insomnia to apnea to sleepwalking. Chapters View all PRIMARY INSOMNIA NO OTHER HEALTH ISSUES 1:49 ACUTE INSOMNIA 2:01...
SciShow
Should You Really 'Feed a Cold, Starve a Fever'?
Old adages can be pretty hit or miss—especially when it comes to medical advice—but it turns out there may actually be some truth to the saying, "feed a cold, starve a fever."
TED Talks
Patience Mthunzi: Could we cure HIV with lasers?
Swallowing pills to get medication is a quick, painless and often not entirely effective way of treating disease. A potentially better way? Lasers. In this passionate talk, TED Fellow Patience Mthunzi explains her idea to use lasers to...
SciShow
Why Are Paper Cuts So Painful?
Paper cuts are tiny compared to other injuries you may have experienced, but they hurt… A LOT! This has to do with your hands being pretty sensitive, and the fact that the edges of paper are like tiny saws.
TED Talks
TED: How we could teach our bodies to heal faster | Kaitlyn Sadtler
What if we could help our bodies heal faster and without scars, like Wolverine in X-Men? TED Fellow Kaitlyn Sadtler is working to make this dream a reality by developing new biomaterials that could change how our immune system responds...
TED-Ed
TED-ED: The three different ways mammals give birth - Kate Slabosky
All mammals share certain characteristics, like warm blood and backbones. But despite their similarities, these creatures also have many biological differences - and one of the most remarkable differences is how they give birth. Kate...
SciShow Kids
Fizzy Soda Experiment!
You're just in time to help Jessi and Squeaks with their baking soda and vinegar experiment! Then, stick around to learn all about chemists, special scientists who study chemicals!
TED-Ed
TED-Ed: Could we survive prolonged space travel? - Lisa Nip
Prolonged space travel plays a severe toll on the human body: microgravity impairs muscle and bone growth, and high doses of radiation cause irreversible mutations. As we seriously consider the human species becoming space-faring, a big...
Crash Course
Where Does Your Mind Reside?: Crash Course Philosophy
Today we continue our unit on identity by asking where the mind resides. Hank explains the mind body problem and several approaches to the question of where our minds reside, including reductive physicalism, substance dualism, and...
TED Talks
TED: A queer vision of love and marriage | Tiq Milan and Kim Katrin Milan
Love is a tool for revolutionary change and a path toward inclusivity and understanding for the LGBTQ+ community. Married activists Tiq and Kim Katrin Milan have imagined their marriage -- as a transgender man and cis woman -- a model of...
SciShow
Do Fish Drink Water?
You'd think that animals that lived in water wouldn't have to drink it -- but some fish do. Learn all about how different kinds of fish get the fresh water that they need to survive.
SciShow
Real Pain and ‘Explosive’ Brains - Fibromyalgia
Fibromyalgia is not a well-understood malady, but scientists are making breakthroughs that could eventually help pin down both the causes and the cures.
TED Talks
Janine Shepherd: A broken body isn't a broken person
Cross-country skier Janine Shepherd hoped for an Olympic medal -- until she was hit by a truck during a training bike ride. She shares a powerful story about the human potential for recovery. Her message: you are not your body, and...
TED Talks
Beardyman: The polyphonic me
Frustrated by not being able to sing two notes at the same time, musical inventor Beardyman built a machine to allow him to create loops and layers from just the sounds he makes with his voice. Given that he can effortlessly conjure the...
Bozeman Science
Mechanisms of Timing and Control
Paul Andersen explains how organisms regulate timing and control. Phototropism and Photoperiodism allow plants to respond to light throughout the day and year. Circadian rhythms are used in all organisms (including animals) as an...