Staff Writer

Elena Castellanos Page 1,212

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.

Energy Drinks vs. Binge Drinking: Key Differences Substances
What’s Really Going On With Nurse Practitioners?Healthcare
What Experts Say About Kidney Stones Gut & Kidney
Komodo Dragons, Explained Reptiles
Phototropism, Explained Botany
How Long Predators Live Zoology
Everything You Need to Know About Foxes Mammals
Questions People Ask About Sleep Apnea Sleep
PCOS: Facts vs. Fiction Reproductive
What Your Doctor Wants You to Know About Acetaminophen Drugs
How Thyroid Hormones and Oxytocin Are Linked Hormones
The Flu vs. Histamine: Key Differences Immunity
Cholesterol: Facts vs. Fiction Heart & Lungs
What Your Doctor Wants You to Know About Ashwagandha Supplements
What’s Really Going On With Viruses?Biology
Swimming vs. Running: Key Differences Fitness
Protein at Every Age Nutrition
What Experts Say About Insulin Hormones
What’s Really Going On With Ligaments?Bones & Muscles
The Science Behind Concussions Brain & Nerves
A Beginner’s Guide to Goats Pets & Farm
Stem Cells, Explained Biology
Questions People Ask About CT Scans Tests
When to See a Doctor About Bedwetting Kids
Ten Things to Know About Oak Trees Trees & Shrubs
How Scientists Study Zucchini Edibles
Everything You Need to Know About Mars Earth & Space
Oxygen: What to Know Chemistry
Hangovers and Secondhand Smoke: What’s the Connection?Substances
Anesthesia and Knee Replacements: What’s the Connection?Procedures