Tom Ireland
Tom Ireland is an award-winning science journalist and editor of The Biologist magazine. He regularly contributes to BBC Science Focus and has written for The Guardian, New Scientist, and BBC News.
![A man in glasses standing in front of bushes.](https://develop.bigthink.com/wp-content/uploads/2023/08/56111_irelandtom_calexaloy-cropped.jpg?w=512&h=512&crop=1)
Researchers estimate there may be as many as ten million trillion trillion phages on Earth — that’s 10 with 30 zeros after it.