PBS
Can We Combine pi & e to Make a Rational Number?
Can you produce a rational number by exchanging infinitely many digits of pi and e?
Bozeman Science
Selection
Paul Andersen explains the importance of selection in biology. Artificial selection occurs when humans choose traits that will be selected for or against. This has created the variety of domesticated animals and crops. He then describes...
SciShow
Is Spider Silk the Future of Material Engineering?
Spiders have a long and fabled history of being a notorious creepy-crawly, but their silk might just change that image. Here are six ways in which spider silk is being studied to improve life for human beings.
TED-Ed
TED-Ed: These animals are also plants ... wait, what? | Luka Seamus Wright
The species of slug known as Elysia chlorotica may not look like much— it resembles a bright green leaf— but it's one of the most extraordinary creatures on our planet. Living in marshes along the coast of North America, it can go about...
TED Talks
TED: What happens when biology becomes technology? | Christina Agapakis
We've been promised a future of chrome -- but what if the future is fleshy? asks biological designer Christina Agapakis. In this awe-inspiring talk, Agapakis details her work in synthetic biology -- a multidisciplinary area of research...
SciShow
How Is That Not Killing You?
When Hank watches nature documentaries he always comes away with one big question: how is that not killing you? In today's episode of SciShow he looks at three unusual ways that animals manage not to get killed by nature.
SciShow
7 Weird Things That Happen Before You're 7
Kids are weird. They eat mud, talk to bugs, and stick things up their noses... but the changes kids go through as they grown out of infancy and into childhood are even weirder!
SciShow
Can We Keep Neurons Active…with Algae?
Cyanobacteria and other microbes produce a lot of oxygen. What if we could use that oxygen to power our brains?
SciShow
5 Types of Awesome Glass Made by Nature
When it comes to sparkly objects, the planet Earth has a lot to offer. Here are 5 especially awesome glasses made by nature! chapters OBSIDIAN 0:57 2 OPAL 4:09 3 TEKTITES 5:46 FULGURITE 6:27 GLASS SPONGES 8:07
TED Talks
Marisa Fick-Jordan: The wonder of Zulu wire art
In this short, image-packed talk, Marisa Fick-Jordan talks about how a village of traditional Zulu wire weavers built a worldwide market for their dazzling work.
SciShow
Why Does Sweat Turn Shirts Yellow?
Have you ever gone through your laundry and noticed unsightly yellow stains in all of your white shirts? If your sweat isn't yellow, what's causing this?
Amoeba Sisters
Autotrophs and Heterotrophs
Curious about modes of nutrition? Join the Amoeba Sisters in learning about autotrophs and heterotrophs. Video explains these terms as well as how their carbon source differs. Photoautotrophs, photoheterotrophs, chemoautotrophs, and...
Crash Course
Specialization and Trade: Crash Course Economics
In which Adriene Hill and Jacob Clifford teach you about specialization and trade, and how countries decide whether they're going to make stuff or trade for stuff. You'll learn about things like comparative advantage, the production...
TED-Ed
TED-Ed: Biofuels and bioprospecting for beginners - Craig A. Kohn
Biofuels can provide energy without the reliance on environmentally harmful fossils fuels -- but scientists are still searching for a plentiful source. Craig A. Kohn demonstrates how cellulose, the naturally abundant tough walls of plant...
TED Talks
TED: Life in Biosphere 2 | Jane Poynter
Jane Poynter tells her story of living two years and 20 minutes in Biosphere 2 -- an experience that provoked her to explore how we might sustain life in the harshest of environments.
SciShow
What Do Food Expiration Dates Actually Mean?
Sell By, Best By, and Use By... do these dates actually tell you anything? Food science can be tricky, but we're here to clear some of it up.
SciShow
Algae Might One Day Rule the World
Algae is one of the oldest and most abundant forms of life on planet Earth, so it only makes sense that it offers a ton of solutions to unsustainable modern problems. Here are five ways in which algae continues to reshape the world.
SciShow
How Do You Get Rid of Acne?
Most of us have dealt with acne during puberty, or maybe even after that. You probably wanted to pop or pick them in order to remove them, but don't do that! Learn more about acne and learn how to get rid of it more appropriately!
Be Smart
Much A-Do About Hair
All mammals have hair at some point in their lives, but none of them wear it quite like humans. Why does our hair grow where it does, and not grow where it doesn't? How does our hair get its color? And why does it go gray and often fall...
SciShow
Spicy Tomatoes and 4 Other GMOs That Could Save Lives
Genetically modifying plants and animals is complicated business, but some scientists think this tool could be used to save lives in a variety of ways.
TED-Ed
TED-Ed: Why do honeybees love hexagons? - Zack Patterson and Andy Peterson
Honeybees are some of nature's finest mathematicians. Not only can they calculate angles and comprehend the roundness of the earth, these smart insects build and live in one of the most mathematically efficient architectural designs...
SciShow
Why You Should Never Put Tomatoes in the Fridge!
Without refrigerators, we'd have spoiled milk, moldy cheese, and warm sodas. However, there are some foods that don't fare so well in a chilly fridge, including tomatoes.
SciShow
Why are GMOs Bad?
Why are GMOs bad? They aren't. They just aren't, not intrinsically, and certainly not for your health. We've been eating them for decades with no ill effects, which makes sense, because a genetically modified organism is simply an...
Bozeman Science
Air Pollution
In this video Paul Andersen explains how air pollution is any chemicals in the atmosphere that negatively affect human health. Primary pollutants (like CO, VOCs, NOx, SO2, PM, and Lead) as well as secondary pollutants (like Ozone, nitric...