The 10 best words or phrases to describe the latest stem-cell advance.

On Jan. 19, the journal Nature published two studies (here and here) showing that it's possible to make stem cells by putting adult cells in an acidic environment. That's good news. But how good? Here are my top 10 words or phrases to describe the findings:

10. The Wall Street Journal: "unexpected."

9. Nature "surprisingly simple." The New York Times: "surprising."

8. Los Angeles Times: "a significant advance."

7. Reuters: "game changing." And Gizmodo: "a game changer."

6. theguardian: "radical and remarkably easy."

5. USA Today: "a giant step."

4. Bloomberg: "revolutionary." New Scientist: "revolutionise."

3. The Boston Globe: "stunned the scientific world."

2. WBUR: "Astounding. Remarkable. Revolutionary."

And my No. 1 favorite word used to describe the discovery:

1. CNN: "breakthrough."

-Paul Raeburn