Staff Writer

Elena Castellanos Page 1,465

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 Wrinkles Skin & Hair
How Scientists Study Stem Cells Biology
Surprising Facts About Blood Thinners Drugs
Insulin vs. Testosterone: Key Differences Hormones
What’s Really Going On With the Tonsils?Eyes & ENT
Giraffes vs. Wolves: Key Differences Mammals
Sound Waves vs. Momentum: Key Differences Physics
Everyday Habits That Affect Melatonin Hormones
Clownfish, Explained Aquatic
Ten Things to Know About Drip Irrigation Gardening
Carbon and Combustion: What’s the Connection?Chemistry
Everything You Need to Know About Rattlesnakes Reptiles
Ten Things to Know About Ticks Bugs
The Hidden Side of Carnivorous Plants Botany
What Experts Say About Stem Cells Biology
How Genetic Tests and Colonoscopies Are Linked Tests
New Research on the Gallbladder Gut & Kidney
New Research on Rabbits Pets & Farm
New Research on Table Salt Chemistry
How Poison Ivy and Frostbite Are Linked Safety
When to See a Doctor About Labor Pregnancy
When to See a Doctor About Tooth Sensitivity Dental
A Beginner’s Guide to Chameleons Reptiles
What Your Doctor Wants You to Know About Binge Drinking Substances
Freckles and Dandruff: What’s the Connection?Skin & Hair
The Tonsils and Hearing Loss: What’s the Connection?Eyes & ENT
The Hidden Side of Sharks Aquatic
Moles, Explained Skin & Hair
The Science Behind Animal Migration Zoology
The Science Behind Energy Physics