Staff Writer

Elena Castellanos Page 1,419

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.

Sleepwalking vs. Deep Sleep: Key Differences Sleep
How Swollen Lymph Nodes and Antibodies Are Linked Immunity
Common Myths About Moles Skin & Hair
A Beginner’s Guide to the Moon Earth & Space
Ten Things to Know About Diaper Rash Kids
How Scientists Study Knee Pain Bones & Muscles
Warning Signs Linked to Poison Ivy Safety
The Hidden Side of Appendectomies Procedures
New Research on Beta Blockers Drugs
Everyday Habits That Affect Postpartum Recovery Pregnancy
Back Pain: What to Know Bones & Muscles
Migraines, Explained Brain & Nerves
Fruit Trees, Explained Trees & Shrubs
A Beginner’s Guide to HIIT Workouts Fitness
Allergy Tests at Every Age Tests
Surprising Facts About Vaccines Immunity
What Your Doctor Wants You to Know About Turmeric Supplements
Everything You Need to Know About Sleepwalking Sleep
Stitches vs. Angioplasty: Key Differences Procedures
Ten Things to Know About Saliva Dental
How Long Pigs Live Pets & Farm
Aeration vs. Moss: Key Differences Lawn
Questions People Ask About Potatoes Edibles
How Scientists Study Monstera Houseplants
How Calcium and Protein Are Linked Nutrition
Tumors at Every Age Cancer
What Dogs Eat and Why Pets & Farm
Eels vs. Oysters: Key Differences Aquatic
How Pigeons and Parrots Are Linked Birds
A Beginner’s Guide to Polymers Chemistry