Why A Sausage Can Do What Your Gloves Cannot
Youth Science TechnologyDig into the science of touchscreens, and find out the difference between the two most common types: capacitive and resistive.
Machu Picchu 101 | National Geographic
Adults Nature Travel WorldMachu 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?
What makes a poem … a poem? - Melissa Kovacs
Adults History Human SelfWhat 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?
Youth Environment Nature ScienceThe ocean has layers that mix—sometimes. What are the layers made of? And why is it bad news when they don’t?
The Most Extreme Explosion in the Universe
Adults Life Science SpaceSupernovae 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.
Create An Optical Illusion Hand Drawing
Kids Art Creativity How-toIn this video, we will be creating an optical illusion hand drawing.
Plants In Space!
Youth Experiments Nature ScienceDr. Anna-Lisa Paul and Dr. Robert J. Ferl put weeds in unique situations to study their behaviour on a molecular level.