Expedition 56 Flight Engineer Ricky Arnold works with a experiment using NanoRacks commercial science hardware.

Expedition 56 Flight Engineer Ricky Arnold works with a student-designed experiment using NanoRacks commercial science hardware. The study is researching the impacts of microgravity on tissue regeneration, concrete properties, antibiotics, and the growth of plant, fungi, and bacteria. The research introduces students to the principles of space science possibly leading to a career as scientists.