Red is the rarest hair color, but to understand why that’s the case, you need a basic grasp of the science. There’s a lot ...

Eye contact helps build trust and communication whether in business, friendships or romantic pursuits. Its importance in human socialization means that we're more likely to take note of eye color and ...

Dark circles under the eyes usually appear purple, blue, brown, or black, similar to a bruise. While there are several reasons as to why they appear, oftentimes, it’s associated with being tired.

According to the World Atlas, about 90% of the global population has dark brown or black hair, and 70% to 80 % of people have brown eyes. It’s not exactly the rarest hair color and eye color ...