Staff Writer

Elena Castellanos Page 776

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.

Light and Sound Waves: What’s the Connection?Physics
Carbon Monoxide and Poison Ivy: What’s the Connection?Safety
Questions People Ask About Dry Skin Skin & Hair
When to See a Doctor About the Retina Eyes & ENT
How Bats Communicate Mammals
What’s Really Going On With Wetlands?Environment
Bike Helmets at Every Age Safety
How Snoring and Late-night Caffeine Are Linked Sleep
How Goats and Guinea Pigs Are Linked Pets & Farm
Urine Tests vs. Allergy Tests: Key Differences Tests
How Ibuprofen and Antidepressants Are Linked Drugs
Surprising Facts About Immune Memory Immunity
Crabs vs. Clownfish: Key Differences Aquatic
Ten Things to Know About Neurons Brain & Nerves
Ten Things to Know About the Spine Bones & Muscles
How Bears and Bats Are Linked Mammals
Questions People Ask About Braces Dental
The Hidden Side of Coral Bleaching Environment
How Genes and Chromosomes Are Linked Genetics
Surprising Facts About Earthquakes Earth & Space
How Scientists Study Water Weight Diet & Weight
What Your Doctor Wants You to Know About Medical Records Healthcare
A1C Tests at Every Age Tests
Tomatoes: What to Know Edibles
Ten Things to Know About Magnolias Trees & Shrubs
Family Traits: Facts vs. Fiction Genetics
Portion Sizes vs. Water Weight: Key Differences Diet & Weight
Surprising Facts About Gene Editing Genetics
Everyday Habits That Affect Hernia Repair Procedures
When to See a Doctor About Postpartum Recovery Pregnancy