Staff Writer

Elena Castellanos Page 1,236

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.

What Your Doctor Wants You to Know About Concussions Brain & Nerves
Foxes and Giraffes: What’s the Connection?Mammals
Ten Things to Know About Rainbows Physics
Crystals vs. Acids: Key Differences Chemistry
Turmeric at Every Age Supplements
The Hidden Side of Bike Helmets Safety
What Experts Say About Folic Acid Pregnancy
Asthma vs. Shortness of Breath: Key Differences Heart & Lungs
How to Care for Brown Patches Lawn
How Genes and Gene Editing Are Linked Genetics
Naps: What to Know Sleep
How Scientists Study Protein Nutrition
Everyday Habits That Affect Bedwetting Kids
What’s Really Going On With CT Scans?Tests
Common Problems With Sunflowers and How to Fix Them Flowers
Energy vs. Gravity: Key Differences Physics
Everything You Need to Know About Stitches Procedures
What Your Doctor Wants You to Know About Swollen Lymph Nodes Immunity
How Grief and Anxiety Are Linked Mental Health
New Research on ECGs Tests
Proteins and Stem Cells: What’s the Connection?Biology
Ten Things to Know About Cavities Dental
Everyday Habits That Affect Muscle Soreness Bones & Muscles
Foxes: Facts vs. Fiction Mammals
How Scientists Study Meteor Showers Earth & Space
A Beginner’s Guide to Jet Lag Sleep
New Research on Blood Types Genetics
What Your Doctor Wants You to Know About Fertility Reproductive
How Lizards Behave in the Wild Reptiles
Common Problems With Peonies and How to Fix Them Flowers