Explore the library
See what your students will experience.
Pick a phenomenon and walk through it just like a student — read the passage, evaluate the CER, no account needed.
A Single Wave Appeared Out of Nowhere and Nearly Destroyed an Oil Platform — But It Was Only Twice as Tall as the Other Waves
Explore this phenomenonAfter a 15-Year War, About Half the Surviving Female Elephants in This Park Have No Tusks at All
Explore this phenomenonLightning Strikes This One Spot in Venezuela Almost Every Night — Around 28 Flashes a Minute, ~150 Nights a Year
Explore this phenomenonOklahoma Used to Get 2 Earthquakes a Year — Then Suddenly It Got 903
Explore this phenomenonSatellite Photos Show Thousands of Cows Around the World All Standing the Same Direction — and Standing Under Power Lines Scrambles It
Explore this phenomenonThis Pumpkin Weighs More Than a Car — But the Same Seeds in Your Backyard Would Barely Fill a Wheelbarrow
Explore this phenomenon