Under its new director, Puerta Abierta Preschool — Evanston’s sole Spanish-immersion preschool — has begun forging partnerships with the community through fundraising initiatives. Puerta Abierta...

City Health Tech’s award-winning product is only 3.5 inches tall, but it is mighty. The colorful 3D-printed monitor straps onto a faucet to count and collect data on hand-washing time. Its screen...