An engineer with an exciting double life, a dynamic researcher leads a scavenger hunt to find the environmental factors affecting our neighborhoods, and two NASA scientists searching for the origin of life. LaurDIY makes kinetic sand.

A biomedical engineer fixes bones with oyster shells; a geologist shares the science behind quakes on Earth and beyond; and a data scientist explains how our information shapes our communities and lives. LaurDIY shares a "mathmagical" trick you can do at home.