Science

Can eyes change color based on mood?

November 21, 2025 · caitlin

Can eyes change color based on mood? While eyes don’t change color dramatically, subtle variations can occur due to different factors. Lighting, pupil size,…

What color noise clears the mind?

November 21, 2025 · caitlin

What color noise clears the mind? White noise is often considered effective for clearing the mind, aiding concentration, and improving sleep. However, pink noise…

How to interpret ultrasound images?

November 21, 2025 · caitlin

Interpreting ultrasound images can seem daunting, but with a basic understanding of the principles and techniques, anyone can learn to identify key features. Ultrasound…