Staff Writer

Elena Castellanos Page 1,435

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 Tonsils vs. Earwax: Key Differences Eyes & ENT
Ten Things to Know About Robins Birds
Recycling vs. Deforestation: Key Differences Environment
What Your Doctor Wants You to Know About Binge Drinking Substances
Laparoscopy vs. Tonsillectomies: Key Differences Procedures
Everything You Need to Know About Migraines Brain & Nerves
Nocturnal Animals: What to Know Zoology
Turtles vs. Tortoises: Key Differences Reptiles
Ten Things to Know About Willow Trees Trees & Shrubs
How Basil and Lettuce Are Linked Edibles
How Scientists Study Evolution Biology
Inherited Traits, Explained Genetics
How Beta Blockers and Aspirin Are Linked Drugs
Everyday Habits That Affect Skin Cancer Cancer
Intrusive Thoughts at Every Age Mental Health
Questions People Ask About Woodpeckers Birds
How Onions and Garlic Are Linked Edibles
The Hidden Side of Auroras Earth & Space
The Hidden Side of Secondhand Smoke Substances
Protein Powder vs. Collagen Powder: Key Differences Supplements
How Scientists Study White Blood Cells Immunity
What’s Really Going On With the Pancreas?Gut & Kidney
How Predators and Symbiosis Are Linked Zoology
How Crows Behave in the Wild Birds
How to Care for Flowering Botany
Everything You Need to Know About Vaping Substances
How Belly Fat and Weight Loss Plateaus Are Linked Diet & Weight
When to See a Doctor About Kitchen Burns Safety
How Speech Therapy and Light Therapy Are Linked Therapies
Ten Things to Know About the Common Cold Immunity