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BioNumbers is in its infancy and there are notable gaps in the available data.
Search results often contain false positives. Please suggest
missing data and references to help remedy these shortcomings (feedback box on the left).

About Us
In BioNumbers we aim to enable you to find in one minute any common biological number that can be important for your research. BioNumbers currently attracts >3000 visitors a month from over 50 countries.

The BioNumbers database started in May 2007 by Ron Milo, Paul Jorgensen and Mike Springer while sharing a bay at the Systems Biology department in Harvard.
It was inspired by a table comparing values of key properties in bacteria, yeast and a mammalian cell line in Uri Alon’s book – “Introduction to systems biology” and by the CyberCell Project .

BioNumbers is coordinated and developed by Ron Milo at the Weizmann Institute in Israel . Feel free to write us a note at bioNumbers@gmail.com.
The current database format was designed and implemented by Griffin Weber at Harvard. The full version was programmed and is being developed by Zaztech .
The bioNumbers logo was designed by Ricardo Vidal from the University of Algarve, Portugal.

It is our hope that the database will facilitate quantitative analysis and reasoning in a field of research where numbers tend to be “soft” and difficult to vouch for. Financial as well as moral support for the effort is being given by the Systems biology department in Harvard and by the Weizmann Institute.