Invasive species, endangered species, the Endangered Species Act—when it comes to biodiversity, is your knowledge thriving or close to extinct? Find out with this interactive quiz. 

Honor extinct animals, send a desert snapshot, or let an emperor scorpion deliver your message. Just add your name and address to these colorful stationery files. 

Particles and waves, reflection and refraction—how enlightened are you about the subject of light? Find out with Light Quest!, a kid-friendly trivia game.

Thanks to Einstein, we know that space bends around anything that has mass. Need help bending your mind around this concept? Mix up some Jell-O, and play with your food!

Is life really speeding by, or is it just the vehicle you're traveling in? Stretch your imagination with a personal look at how the height and velocity of your vantage point affect the view.

What do books, posters, TV screens, and computer monitors have in common? They all render our 3D world in 2D. Playfully explore the third dimension by building an origami waterbomb.

Light always travels in straight lines—that is, unless it bends or bounces off an object's surface. Take an enlightening look at light with these three easy experiments.

Considered a genius by the world, Einstein once said, "I have no special talent, I am only passionately curious." Take a quick look at where Einstein's curiosity took him—and the world.

All living things contain carbon, the sixth element on the Periodic Table. Make a mobile of this elemental element with scissors, wire, pipe cleaners, and clay.

How is the ocean like a layer cake? What cool and spooky creatures live there? And just how important is the ocean to humans? Dive deep into marine biology with this kid-friendly introduction.