SABAKURAKU — Drylands

Deserts are on the move. SABAKURAKU teaches the science of drylands — how dunes take shape, how water balance decides what becomes desert, and which global forces create deserts — through beautiful, hands-on simulations. A companion to HYOURAKU (the cryosphere) in the "Raku" series, it covers Earth's other extreme; after all, Antarctica is a "cold desert." Six topics span high-school geography and earth science up to introductory geomorphology, hydrology, and climatology. [Challenges: predict, then test] 30 challenges, 5 per screen. Pick one with the flag button and predict the outcome (1 of 2 choices). Then work the controls and hold the target state for a few seconds while it plays. "Cleared!" shows whether you predicted right, with a short explanation, and "Next challenge" leads on. Progress (n/5) shows on each home card and is saved only on your device. [Six Modules] - Dune…