#  Long in the tooth 

 





July 09, 2025

 

 

 ![Kevin Uno (left) and Daniel Green look at fossil samples in the lab.  Photo by Grace DuVal](/sites/g/files/omnuum1771/files/2025-07/050625_Uno_Green_Port1.jpg)

 

Kevin Uno (left) and Daniel Green look at fossil samples in the lab. *Photo by Grace DuVal (Harvard Gazette)*[**Research finds 18-million-year-old enamel proteins in mammal fossils, offering window into how prehistoric animals lived, evolved**](https://news.harvard.edu/gazette/story/2025/07/long-in-the-tooth/?utm_source=SilverpopMailing&utm_medium=email&utm_campaign=Daily%20Gazette%2020250716%20(1)&spMailingID=35962857&spUserID=NjAzMzYzNjczMDIzS0&spJobID=2943554014&spReportId=Mjk0MzU1NDAxNAS2)

Clea Simon

Harvard Correspondent



 

 

 



 

 See also:- [ Evolution & Anatomy ](/research/evolution-anatomy)
 
 

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