Staff Writer

Elena Castellanos Page 1,327

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.

Mutations and Gene Editing: What’s the Connection?Genetics
How Scientists Study Thyroid Hormones Hormones
Everything You Need to Know About Meteor Showers Earth & Space
Ten Things to Know About REM Sleep Sleep
Vitamin D, Explained Nutrition
Questions People Ask About Acupuncture Therapies
Questions People Ask About LASIK Procedures
When to See a Doctor About Breast Cancer Cancer
How Scientists Study Cows Pets & Farm
What Your Doctor Wants You to Know About Concussions Brain & Nerves
Warning Signs Linked to Meal Timing Diet & Weight
Everything You Need to Know About the Uterus Reproductive
The Science Behind Prenatal Ultrasounds Pregnancy
Boxwoods: What to Know Trees & Shrubs
Overseeding vs. Grass Seed: Key Differences Lawn
Everything You Need to Know About Metabolism Diet & Weight
The Hidden Side of Labor Pregnancy
How Scientists Study Bloating Gut & Kidney
Slugs and Companion Planting: What’s the Connection?Gardening
Cells, Explained Biology
What’s Really Going On With Acetaminophen?Drugs
Everyday Habits That Affect Chemotherapy Cancer
Questions People Ask About Black Holes Earth & Space
Surprising Facts About Added Sugar Substances
Ten Things to Know About Belly Fat Diet & Weight
Foxes vs. Raccoons: Key Differences Mammals
Ten Things to Know About Twins Genetics
What Experts Say About Menstrual Cycles Reproductive
How Scientists Study Earthquakes Earth & Space
Warning Signs Linked to Rest Days Fitness