Learn why octopuses change color, how fast they can blend into their surroundings, and how the creatures can change into ...

Medically reviewed by Christine L. Larsen, MD Key Takeaways Eye color can be changed temporarily with cosmetic options like colored contacts or makeup, and permanently through surgical ...

Most of us have seen a mood ring in our lifetimes. Depending on your body temperature, the ring would change colors. It seemed like magic back then, but as an adult you may have learned that there are ...

Color change in animals is a response shaped by evolution. Each species has developed its own method and reason for this ability, like an overreliance on light or temperature cues, or a physiological ...

The mineral hackmanite turns purple under UV irradiation, and the color fades back to white in a few minutes under regular white light. While investigating hackmanite, researchers found that it can ...

Apple recently rolled a software update — tvOS 14.5 — to its streaming boxes, both Apple TV HD and Apple TV 4K, giving them the ability to optimize the color balance of your TV. In a nutshell, you can ...

There’s nothing better than a vibrant pre-spawn color shift – but it’s not the only reason trout change colors. If you were to follow a single trout over the course of a year, you’d notice that its ...

The colors in a photograph convey a mood, but the existing colors in an image don’t always jive with the rest of the image or give you the mood that you’re looking for. Maybe that neon outfit is ...

When you create a calendar, it takes up a default color available in the color palette of Google Calendar. This color is applied to all the events you create within the calendar. However, you can ...

Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...