SciShow
World’s Most Asked Questions: How Much Water Should I Drink a Day?
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How much water should I drink a day?” SciShow has the answer!
SciShow
Vestigial Structures
Hank talks about some of the structures in our bodies that are "leftover" from previous evolutionary phases of humanity.
SciShow
SARS-CoV-2 May Have Another Door Into Cells | SciShow News
Researchers think the virus behind COVID-19 may have multiple ways into cells—which could help us understand how it behaves.
SciShow
An Update on Boaty McBoatface!
It turns out the name Boaty McBoatface didn't go to waste, and the submersible now bearing the name has returned from its first mission! Also, the diversity of frogs we see today may have arisen more recently than we previously thought!
SciShow
How a Carnivorous Snail Is Advancing Medicine
Cone snails are venomous marine snails who use their venom in creative ways to take down their prey. And scientists have realized that certain chemicals in these venoms could actually be pretty useful for medicine.
Crash Course
The Mighty Power of Nanomaterials: Crash Course Engineering #23
Just how small are nanomaterials? And what can we do with stuff that small? Today we’ll discuss some special properties of nanomaterials, how some can change at different sizes, and the difference between engineered nanomaterials and...
Amoeba Sisters
Natural Selection
Discover natural selection as a mechanism of evolution with the Amoeba Sisters. This video also uncovers the relationship of natural selection and antibiotic resistance in bacteria and emphasizes biological fitness. Note: This video is...
TED Talks
TED: How to read the genome and build a human being | Riccardo Sabatini
Secrets, disease and beauty are all written in the human genome, the complete set of genetic instructions needed to build a human being. Now, as scientist and entrepreneur Riccardo Sabatini shows us, we have the power to read this...
TED-Ed
TED-ED: RNAi: Slicing, dicing and serving your cells - Alex Dainis
RNA, the genetic messenger, makes sure the DNA recipe gives your cells exactly what they ordered. But sometimes that means inhibiting some other RNA that got the recipe wrong. This process is called RNA interference (RNAi), and it acts...
TED Talks
Torsten Reil: Animate characters by evolving them
Torsten Reil talks about how the study of biology can help make natural-looking animated people -- by building a human from the inside out, with bones, muscles and a nervous system. He spoke at TED in 2003; see his work now in GTA4.
TED Talks
TED: When I die, recompose me | Katrina Spade
What if our bodies could help grow new life after we die, instead of being embalmed and buried or turned to ash? Join Katrina Spade as she discusses "recomposition" -- a system that uses the natural decomposition process to turn our...
TED Talks
Susan Shaw: The oil spill's toxic trade-off
Break down the oil slick, keep it off the shores: that's grounds for pumping toxic dispersant into the Gulf, say clean-up overseers. Susan Shaw shows evidence it's sparing some beaches only at devastating cost to the health of the deep sea.
SciShow
What Happens to Your Body If You Die on Mars?
It's not the happiest subject, but when someone dies in space, or on another planet, what will happen to the body?
SciShow
Why People are Always Fighting Over the Thermostat
Negotiating thermostat settings can be really frustrating, but your officemate isn't trying to freeze you out on purpose. Stefan explains the science behind why people experience temperatures differently. Fun fact: Stefan wears a jacket...
SciShow
Why Do Bug Bites Itch?
Hank explores a vexing question asked at picnics and beach parties everywhere: Why do bug bites itch? To help you understand the answer, he takes you into the blow by blow of a bug bite which, we warn you, is pretty horrifying.
SciShow
A Scientifically Accurate, Life-Sized Dinosaur Model
Ever wonder what a dinosaur might have looked like? Well, we might have an answer for you and the result is hidden in plain sight.
TED Talks
TED: How adaptive clothing empowers people with disabilities | Mindy Scheier
Do you have a favorite T-shirt or pair of jeans that transforms you and makes you feel confident -- makes you feel like you? That's because what you wear can affect your mood, your health and your self-esteem, says fashion designer Mindy...
SciShow
10 Surprising Chemicals Your Body Makes
Everything is made of chemicals, including the human body, but there are some especially weird ones
TED-Ed
TED-ED: The science of spiciness - Rose Eveleth
When you take a bite of a hot pepper, your body reacts as if your mouth is on fire -- because that's essentially what you've told your brain! Rose Eveleth details the science and history behind spicy foods, giving insights into why some...
TED-Ed
TED-Ed: What causes panic attacks, and how can you prevent them? | Cindy J. Aaronson
Countless poets and writers have tried to put words to the experience of a panic attack— a sensation so overwhelming, many people mistake it for a heart attack, stroke, or other life-threatening crisis. Studies suggest that almost a...
SciShow Kids
Why Is My Leg Asleep?
Have you ever been sitting down for a long time and had your legs fall asleep? It feels really weird and can make it hard to walk for a little while! So what makes your legs fall asleep, and why does it feel all prickly when they start...
TED Talks
Lynn Rothschild: The living tech we need to support human life on other planets
What would it take to settle Mars? In a talk about the future of space exploration, Lynn Rothschild reviews the immense challenges to living elsewhere in the universe and proposes some bold, creative solutions to making a home off planet...
TED Talks
TED: On the virtual dissection table | Jack Choi
Onstage at TED2012, Jack Choi demonstrates a powerful tool for training medical students: a stretcher-sized multi-touch screen of the human body that lets you explore, dissect and understand the body's parts and systems.
SciShow
Meet the Most Important Animal Youve Never Seen
They predate the dinosaurs and they outnumber us by trillions, yet you might not ever have the pleasure of seeing one. So let us introduce to you, the nematode.