Staff Writer

Elena Castellanos

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.

Questions People Ask About Cells
Questions People Ask About Mitochondria
Stem Cells: What to Know
Enzymes and Metabolism: What’s the Connection?
The Science Behind Mitochondria
What’s Really Going On With Metabolism?
How Scientists Study DNA Repair
What Experts Say About Metabolism
How Photosynthesis and Cells Are Linked
DNA Repair and Enzymes: What’s the Connection?
DNA Repair: What to Know
How Scientists Study Viruses
DNA Repair, Explained
Ten Things to Know About Viruses
The Science Behind Photosynthesis
Surprising Facts About Photosynthesis
Surprising Facts About Enzymes
Common Myths About the Cell Membrane
What Experts Say About Bacteria
How Photosynthesis and Stem Cells Are Linked
Enzymes and Bacteria: What’s the Connection?
What’s Really Going On With Mitochondria?
Viruses and Cells: What’s the Connection?
The Science Behind Enzymes
Common Myths About the Cell Membrane
The Hidden Side of the Cell Membrane
How Mitochondria and Evolution Are Linked
Proteins vs. the Cell Membrane: Key Differences
The Hidden Side of Bacteria
The Hidden Side of Viruses