Okay, so first we need to know what are stem cells. So, imagine your body is like a big building, full of rooms. Each room has a different function and is like a different part of your body. For example, your heart is like a room that pumps blood, and your brain is like a room that helps you think and feel. A stem cell is like a special group of cells that can turn into any of these different rooms!
Now, let's talk about genomics. Have you ever heard the word "genes"? They're things that are sort of like instructions for your body. They tell your body how to do things like grow, move, and think. Genomics is all about looking at these instructions (genes) and figuring out how they work.
So, when we talk about stem cell genomics, we mean that scientists are looking at the instructions (genes) that tell stem cells how to turn into different parts of the body. They want to know how these instructions work, so that they can help people who are sick or hurt.
It's kind of like a big puzzle. By looking at the instructions (genes) and figuring out how they work, scientists can learn how to make stem cells turn into the right kind of room (like a heart or a brain) to help someone who is sick or hurt. It's really cool stuff!