Staff Writer

Elena Castellanos Page 1,430

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.

How Bearded Dragons and Snakes Are Linked Reptiles
Leptin, Explained Hormones
What Experts Say About Cell Mutations Cancer
Antibodies, Explained Immunity
Where Eels Live and How They Adapt Aquatic
Ten Things to Know About Bees Bugs
The Science Behind Succulents Houseplants
Added Sugar: What to Know Substances
Immune Memory vs. Antibodies: Key Differences Immunity
Surprising Facts About Cavities Dental
How Deer Behave in the Wild Mammals
Marigolds vs. Hydrangeas: Key Differences Flowers
What’s Really Going On With Electricity?Physics
Caffeine, Explained Substances
B Vitamins: Facts vs. Fiction Nutrition
What Experts Say About Frostbite Safety
Common Myths About Eagles Birds
Watering and Light Needs of Cacti Botany
Common Problems With Azaleas and How to Fix Them Trees & Shrubs
When to See a Doctor About Folic Acid Pregnancy
The Science Behind Anxiety Mental Health
How Scientists Study Bearded Dragons Reptiles
Surprising Facts About Robins Birds
Magnesium and Electrolytes: What’s the Connection?Nutrition
New Research on CT Scans Tests
When to See a Doctor About the Gallbladder Gut & Kidney
Shortness of Breath, Explained Heart & Lungs
Muscle Recovery: Facts vs. Fiction Fitness
Warning Signs Linked to Prenatal Vitamins Pregnancy
Questions People Ask About Crows Birds