Why A Sausage Can Do What Your Gloves Cannot
YouthScienceTechnologyDig into the science of touchscreens, and find out the difference between the two most common types: capacitive and resistive.
Machu Picchu 101 | National Geographic
AdultsNatureTravelWorld...Machu Picchu is a testament to the power and ingenuity of the Inca empire. Built without the use of mortar, metal tools, or the wheel, Machu Picchu stands as an archaeological wonder of the ancient world. But why was it built—and deserted?
How To Draw A Funny Moose
KidsArtCreativityHow-toFollow along with us and learn how to draw a funny, cute cartoon moose.
What makes a poem … a poem? - Melissa Kovacs
AdultsHistoryHumanSelf...What exactly makes a poem … a poem? Poets themselves have struggled with this question, often using metaphors to approximate a definition. Is a poem a little machine? A firework? An echo? A dream? Melissa Kovacs shares three recognizable characteristics of most poetry.
What Is Ocean Stratification?
YouthEnvironmentNatureScience...The ocean has layers that mix—sometimes. What are the layers made of? And why is it bad news when they don’t?
Create An Optical Illusion Hand Drawing
KidsArtCreativityHow-toIn this video, we will be creating an optical illusion hand drawing.
The Most Extreme Explosion in the Universe
AdultsLifeScienceSpaceSupernovae are the most powerful explosions in the universe, unleashing enough energy to outshine galaxies. We have no real metaphor for their power – if the sun were to magically go supernova it would feel like you were being hit by the energy of a nuclear explosion, every second. For weeks.