(Angela Weiss/AFP/Getty Images) If you're sick of your dead-straight hair or untameable curls, the blame doesn't start with ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Curly hair may have been key to why human brains grew so big, ...

Curly hair does more than simply look good—it may explain how early humans stayed cool while conserving water, according to researchers who studied the role human hair textures play in regulating body ...

Head hair comes in many colors, shapes and sizes, and hairstyles are often an expression of personal style or cultural identity. Many different genes determine our hair texture, thickness and color.

Hair that is tightly coiled offers the best protection against the sun’s potentially damaging rays, which could explain why this trait evolved in early humans in Africa and straighter hair emerged as ...

Have you ever wondered why many South Indians naturally have curly hair? Discover the scientific reasons behind this unique trait, including genetics, climate, evolution, and hair biology, while ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...