It’s the thought of your childhood home. It’s that comforting aroma you can still smell ten years later. It’s the way you define yourself. It’s your memory. Where is memory stored? How do we recall? Why do we forget?

Nowadays, the tools for tracing your family tree have advanced far beyond looking back at names in the family Bible or compiling a scrapbook of paper records. Using your genetic information to find long-lost relatives is easier and cheaper than ever before—and scientists are looking to push the technology even further by analyzing our skin and facial features.

Deep in the oceans, marine biologist Marah Hardt counts coral, sea urchin, and fish and looks for patterns to understand what makes reefs sick or healthy. Create a coral reef …

Einstein dreamed of a unified theory of nature’s laws. String theory has long promised to deliver it: a mathematically elegant description that some have called a “theory of everything.” Join …

Albert Einstein shattered previous ideas about time, but left many pivotal questions unanswered: Does time have a beginning? An end? Why does it move in only one direction? Is it real, or something our minds impose on reality?

A NASA scientist prints 3D homes on Mars. An anthropologist solves mummy mysteries. An engineer tests new toys every day. What do these people have in common? A science job! Meet them all (and more) during this interactive event that gives everyone the chance to try each cool job for themselves.