Several studies have looked at how we adapt to large changes in visual input by asking people to wear goggles that flip the ...

Let’s make these colorful suncatcher crafts for kids. While sunny days are perfect for outdoor play, I’ve found that sometimes the heat is just too much for the kids to be outside for long. And then ...

Here’s how it works. Redshift and blueshift describe the change in the frequency of a light wave depending on whether an object is moving toward or away from us. When an object is moving away ...