Why Is Blue So Rare In Nature?
Adults Science
Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They are few and far between. And the ones that do make blue? They make it in some very strange and special ways compared to other colors. In this video, we'll look at some very cool butterflies to help us learn how living things make blue, and why this beautiful hue is so rare in nature.
If The Sun Goes Out For 24 Hours
Adults Science
What will happen to the planet Earth?
Emergence - How Stupid Things Become Smart Together
Adults Science
How can many stupid things combine to form smart things? How can proteins become living cells? How become lots of ants a colony? What is emergence?
Where Do Our Drugs Come From?
Adults Science
The incredible chemical weapon-making abilities of fungi, bacteria, and plants have created a diverse array of compounds that are useful to humans.
The Napkin Ring Problem
Adults Science
Do you ever come across a math problem that you know is right but no matter how hard you try, you can't wrap your mind around it?
This Particle Breaks Time Symmetry
Adults Science
Increasing entropy is NOT the only process that's asymmetric in time.
Why do animals form swarms?
Adults Science
When many individual organisms come together and move as one entity, that's a swarm. From a handful of birds to billions of insects, swarms can be almost any size.
The Cheerios Effect
Adults Science
Who knew there was so much science in a bowl of cereal?
Why Pets Have Surprisingly Small Brains
Adults Science
When we domesticate an animal species, their brains shrink and they freak out less.
Inside an ICE CAVE! - Nature's Most Beautiful Blue
Adults Science
Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature's most brilliant, and the color arises in a very special way thanks to some surprising interactions between light and water molecules.
How do fish make electricity? - Eleanor Nelsen
Adults Science
Nearly 350 species of fish have specialized anatomical structures that generate and detect electrical signals. Underwater, where light is scarce, electrical signals offer ways to communicate, navigate, find, and sometimes stun prey. But how do these fish produce electricity? And why? Eleanor Nelsen illuminates the science behind electric fish.
How long will human impacts last? - David Biello
Adults Science
Imagine aliens land on Earth a million years from now. What will these curious searchers find of us? They will find what geologists, scientists, and other experts are increasingly calling the Anthropocene, or new age of mankind. David Biello explains how the impacts that humans have made have become so pervasive, profound, and permanent that some geologists believe we merit our own epoch.
How does your body know you're full? - Hilary Coller
Adults Science
Hunger claws at your belly. It tugs at your intestines, which begin to writhe, aching to be fed. Being hungry generates a powerful and often unpleasant physical sensation that's almost impossible to ignore. After you've reacted by gorging on your morning pancakes, you start to experience an opposing force: fullness. But how does your body actually know when you're full? Hilary Coller explains.
Inside the Cheese-Aging Caves 30 Feet Under Brooklyn | I Got a Guy
Adults Science
Benton Brown and Susan Boyle run Crown Finish Caves, a cheese aging facility 30 feet underground in Brooklyn, NY.
How Close Are We to Curing HIV/AIDS?
Adults Science
Current drug therapies mean it's possible to live a normal life span with HIV, but that's expensive and not a long term solution. What we really need is an HIV vaccine and a cure. So, how close are we?
Does It Matter Which Color Egg You Buy? (Why Are They Different?)
Adults Science
Ever wondered why some eggs are different colors? There's a lot more science behind it than you might think.
Why do you need to get a flu shot every year? - Melvin Sanicas
Adults Science
All year long, researchers at hospitals around the world collect samples from flu patients and send them to top virology experts with one goal: to design the vaccine for the next flu season. But why do we need a new one every year? Vaccines for diseases like mumps and polio offer a lifetime of protection with two shots early in life; what's so special about the flu? Melvin Sanicas explains.
The Nuclear Waste Problem
Adults Science
Nuclear energy is one of the cleanest, most efficient, and most available sources of power on earth.
Which Way Is Down?
Adults Science
Vsauce host Michael Stevens digs deep into the ever-changing concept of the direction "down," what causes things to fall, and digs into how masses really, really want to pull towards each other in our universe, thanks to gravitational forces.
How to Cure Aging - During Your Lifetime?
Adults Science
What if we could stop aging forever?