Staff Writer

Elena Castellanos Page 386

Elena Castellanos has been writing about science for kids and teens for more than a decade. Elena has covered everything from deep-sea creatures to rocket launches, and loves stories that start with a strange question. When not reporting, Elena can be found hiking, baking bread or trying to identify birds by their songs.

Ten Things to Know About the Umbilical Cord Pregnancy
Surprising Facts About Inflammation Immunity
Rainbows: What to Know Physics
The Science Behind Morning Sickness Pregnancy
Ten Things to Know About Insulin Hormones
Everything You Need to Know About Butterflies Bugs
Ten Things to Know About Cucumbers Edibles
Everything You Need to Know About Radiation Therapy Cancer
How Scientists Study Animal Senses Zoology
How Blood Types and Inherited Traits Are Linked Genetics
ECGs vs. Colonoscopies: Key Differences Tests
The Hidden Side of Sperm Health Reproductive
What Experts Say About Pigs Pets & Farm
What Experts Say About Air Pressure Physics
What Your Doctor Wants You to Know About Blood Tests Tests
Endangered Species vs. Animal Senses: Key Differences Zoology
Physical Therapy, Explained Therapies
The Hidden Side of Menopause Reproductive
What Experts Say About Comets Earth & Space
Stem Cells and Proteins: What’s the Connection?Biology
Questions People Ask About Snoring Sleep
How Allergy Tests and Cholesterol Tests Are Linked Tests
How Protein and Vitamin D Are Linked Nutrition
Beta Blockers, Explained Drugs
The Science Behind Chickenpox Kids
The Science Behind White Blood Cells Immunity
What’s Really Going On With Wasps?Bugs
Surprising Facts About Birch Trees Trees & Shrubs
Cows and Guinea Pigs: What’s the Connection?Pets & Farm
New Research on Daffodils Flowers