Staff Writer

Elena Castellanos Page 1,219

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.

When to See a Doctor About Concussion Risk Safety
Aspirin vs. Ibuprofen: Key Differences Drugs
What’s Really Going On With Thyroid Hormones?Hormones
Everything You Need to Know About Brain Fog Brain & Nerves
The Science Behind Chickens Pets & Farm
How Scientists Study Zinc Supplements
How Whole Grains and B Vitamins Are Linked Nutrition
Warning Signs Linked to Hernia Repair Procedures
What Experts Say About Wrinkles Skin & Hair
How Palpitations and Arteries Are Linked Heart & Lungs
Everything You Need to Know About Roots Botany
Ten Things to Know About Comets Earth & Space
A Beginner’s Guide to PH Chemistry
Potassium, Explained Nutrition
Ten Things to Know About Thatch Lawn
How Pothos and ZZ Plants Are Linked Houseplants
Secondhand Smoke: What to Know Substances
The Hidden Side of the Pancreas Gut & Kidney
New Research on Tides Earth & Space
Warning Signs Linked to Muscle Recovery Fitness
What Your Doctor Wants You to Know About Caffeine Substances
How Acid Reflux and Dietary Fiber Are Linked Gut & Kidney
Ten Things to Know About Venom Zoology
Butterflies, Explained Bugs
Stretching vs. Muscle Recovery: Key Differences Fitness
Questions People Ask About Thyroid Panels Tests
Earwax, Explained Eyes & ENT
How Scientists Study Back Pain Bones & Muscles
What Experts Say About Sunburn Skin & Hair
How to Care for Hollies Trees & Shrubs