Wikipedia's first sentence called it “associate professor in the department of biological sciences at columbia university and regarded as one of the”. Today it says “researcher in computational systems biology”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2020 one. Red dashes: removed from Wikipedia since.Pale dots: rewritten; the numbered note shows what it says now.Red text: written in or rewritten since the previous snapshot.1 tap a number or a side note to jump between them
The opening as it read in 2020
Dana Pe'er is currently the Chair and Professor in Computational and Systems Biology Program at Sloan Kettering Institute and regarded as one of the leading researchers in computational systems biology.1Previously, she was a professor at Columbia Department of Biological Sciences.2 Pe'er's research focuses on understanding the organization, function and evolution of molecular networks, particularly how genetic variations alter the regulatory network and how these genetic variations can cause cancer. Dana Pe'er's publications indexed by the Scopus bibliographic database. "Module networks: Identifying regulatory modules and their condition-specific regulators from gene expression data".3
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 964132275.
The opening as it stood in 2015
Dana Pe'er is an Associate Professor in the Department of Biological Sciences at Columbia University and regarded as one of the leading researchers in computational systems biology. Her research focuses on understanding the organization, function and evolution of molecular networks, particularly how genetic variations alter the regulatory network and how these genetic variations can cause cancer. Attention: This template ( ) is deprecated. Dana Pe'er's publications indexed by the Scopus bibliographic database. (subscription required) Attention: This template ( ) is deprecated. Attention: This template ( ) is deprecated. Attention: This template ( ) is deprecated. Attention: This template ( ) is deprecated.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 664224354.
The opening as it stood on October 6, 2023 2 passages from the previous snapshot no longer appear
Bioinformatician Dana Pe'er (born 1971), Chair and Professor in Computational and Systems Biology Program at Sloan Kettering Institute is a researcher in computational systems biology.A Howard Hughes Medical Institute (HHMI) Investigator since 2021, she was previously a professor at Columbia Department of Biological Sciences. Pe'er's research focuses on understanding the organization, function and evolution of molecular networks, particularly how genetic variations alter the regulatory network and how these genetic variations can cause cancer. PMID 24945496 . : CS1 maint: article number as page number ( link ) CS1 maint: unflagged free DOI ( link ) "98109969" .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1157969532.
The opening as it stood in 2025
Israeli bioinformatician Dana Pe'er ( Hebrew : דנה פאר ; born 1971), Chair and Professor in Computational and Systems Biology Program at Sloan Kettering Institute is a researcher in computational systems biology. A Howard Hughes Medical Institute (HHMI) Investigator since 2021, she was previously a professor at Columbia Department of Biological Sciences. Pe'er's research focuses on understanding the organization, function and evolution of molecular networks, particularly how genetic variations alter the regulatory network and how these genetic variations can cause cancer. PMID 24945496 . : CS1 maint: article number as page number ( link ) "98109969" .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1283774724. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “associate professor in the department of biological sciences at columbia university and regarded as one of the”. Today it says “researcher in computational systems biology”. Read the current article and compare.
2015
2020
Oct '23
2025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.
What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2015, and today's defining sentence is their current revision.
Then
associate professor in the department of biological sciences at columbia university and regarded as one of the
Now
researcher in computational systems biology
Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.
