Staff Writer

Elena Castellanos Page 1,215

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.

Enzymes, Explained Biology
What Your Doctor Wants You to Know About Withdrawal Substances
The Science Behind Baby Teeth Kids
What’s Really Going On With Horses?Pets & Farm
Bacteria: What to Know Biology
Light Therapy vs. Heat Therapy: Key Differences Therapies
Ambulance Rides, Explained Healthcare
MRI Scans vs. X-rays: Key Differences Tests
How Scientists Study Penguins Birds
Everything You Need to Know About Cells Biology
Surprising Facts About Annual Checkups Healthcare
Questions People Ask About Anesthesia Procedures
Ten Things to Know About Eczema Skin & Hair
New Research on Hamsters Pets & Farm
Acid Rain and Composting: What’s the Connection?Environment
Ten Things to Know About Black Holes Earth & Space
A Beginner’s Guide to Carbon Chemistry
How Scientists Study Chlorophyll Botany
Whales and Giraffes: What’s the Connection?Mammals
The Hidden Side of Ladybugs Bugs
Gestational Diabetes vs. Morning Sickness: Key Differences Pregnancy
New Research on Sleepwalking Sleep
Ten Things to Know About Potassium Nutrition
New Research on Diaper Rash Kids
How Owls and Parrots Are Linked Birds
What Experts Say About Oak Trees Trees & Shrubs
Glaciers and Earthquakes: What’s the Connection?Earth & Space
Everything You Need to Know About Electricity Physics
What Experts Say About Anesthesia Procedures
The Science Behind PCOS Reproductive