Author

Olga Zakharova

Olga Zakharova is a staff writer at Biology Insights who reports on the biology of personal care. A graduate of St. Bonaventure University, Zakharova began in publishing as an editorial assistant before moving into science journalism.

Why Do We Have Eyebrows? Their Purpose and Function Skin & Hair
At What Age Do Men’s Beards Go Grey?Skin & Hair
How Big Is a Human Hair? A Look at Its Actual Diameter Skin & Hair
How Common Are Hooded Eyes? Prevalence by Ethnicity Eyes & ENT
What Nails Are Made Of and Why Your Body Has Them Skin & Hair
What Is the Difference Between Fur and Hair?Zoology
How Many Layers of Skin Does the Human Body Have?Skin & Hair
What Is Really Under Your Fingernails?Skin & Hair
Why Do We Have Toenails and Fingernails?Skin & Hair
How Many Hairs Are on a Human Head Per Square Inch?Skin & Hair
What Grows Faster, Hair or Nails? The Science Explained Skin & Hair
Can I Make My Head Smaller? The Truth Explained Skin & Hair
Male Hands vs Female Hands: Distinctions in Biology and Form Bones & Muscles
How Much Does Skin Weigh?Skin & Hair
Why Does Your Hair Turn White as You Get Older?Skin & Hair
Does Headbutting Hurt the Headbutter?Zoology
What Is a Papercut and Why Do They Hurt So Much?Skin & Hair
Why Do Some Men Have Hairy Backs?Skin & Hair
What Are Your Gums Made Of?Dental
Why Do Men’s Noses Get Bigger as They Age?Eyes & ENT
What Is a Cuticle and Why Is It Important?Skin & Hair
Why Do Some People Have Bigger Lips?Skin & Hair
Do Hands Get Bigger With Age?Bones & Muscles
At What Age Do You Lose Your Baby Face?Kids
Do Blonde People Have Blonde Eyelashes?Skin & Hair
Why Do We Have a Cupid’s Bow? Its Function and Origin Biology
How Thick Is the Average Human Hair in mm?Skin & Hair
Why Do I Have No Jaw? Factors That Define Your Jawline Dental
How Much Hair Do You Grow in a Month?Skin & Hair
Are Eyes Unique Like Fingerprints?Eyes & ENT