Staff Writer

Elena Castellanos Page 1,080

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.

The Hidden Side of Eye Color Genetics
Surprising Facts About Black Holes Earth & Space
What’s Really Going On With Carbon?Chemistry
What Experts Say About Nicotine Substances
Laparoscopy vs. Skin Grafts: Key Differences Procedures
Ladybugs vs. Ants: Key Differences Bugs
What’s Really Going On With Sleepwalking?Sleep
Ten Things to Know About X-rays Tests
Gum Disease at Every Age Dental
Everyday Habits That Affect Constipation Gut & Kidney
Common Myths About Melatonin Supplements Supplements
How Long Salmon Live Aquatic
Sunflowers vs. Peonies: Key Differences Flowers
Watering and Light Needs of ZZ Plants Houseplants
New Research on Multivitamins Supplements
Second Opinions and Hospital Stays: What’s the Connection?Healthcare
What Experts Say About Vaccines Immunity
Animal Communication vs. Animal Intelligence: Key Differences Zoology
A Beginner’s Guide to Crocodiles Reptiles
The Science Behind Keto Diets Diet & Weight
When to See a Doctor About Prescriptions Healthcare
The Science Behind Chickenpox Kids
What Your Doctor Wants You to Know About Kidney Function Gut & Kidney
Rattlesnakes, Explained Reptiles
Eye Color: Facts vs. Fiction Genetics
Ten Things to Know About Concussion Risk Safety
Surprising Facts About Cataract Surgery Procedures
Walking, Explained Fitness
A Beginner’s Guide to Alcohol Substances
Ten Things to Know About Skin Grafts Procedures