Wikipedia's first sentence called it “full professor at the faculty of life sciences at bar ilan university who studies the molecular mechanisms that”. Today it says “israeli scientist”. The one-line description Wikipedia serves to search engines and AI systems read “Israeli professor (born 1968)”. It now reads “Israeli professor of 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 2025 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 2025
Haim Cohen (disambiguation) . Haim Cohen ( Hebrew : חיים כהן ; born April 12, 1968) is an Israeli scientist. He is full professor at the Faculty of Life Sciences at Bar Ilan University who studies the molecular mechanisms that determine the rate of aging . Cohen researches longevity and healthy aging. He is the founder and director of the Master's degree program in gerontology at Bar Ilan University. He also heads the Minerva Israel-Germany Center for Biological Mechanisms of Aging, and heads the Sagol Healthy Aging and Longevity Center in Humans . Faculty of Life Sciences . Longevity.technology - Latest News, Opinions, Analysis and Research . "מרכז משותף ישראלי-גרמני לחקר הזקנה יוקם באוניברסיטת בר אילן" . hayadan . 11 November 2019.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1297359173.
The opening as it stood on October 6, 2023
Israeli professor (born 1968) For other uses, see Haim Cohen (disambiguation) . Haim Cohen (born April 12, 1968) is a full professor at the Faculty of Life Sciences at Bar Ilan University who studies the molecular mechanisms that determine the rate of aging . Cohen researches longevity and healthy aging. He is the founder and director of the Master's degree program in gerontology at Bar Ilan University. He also heads the Minerva Israel-Germany Center for Biological Mechanisms of Aging, and heads the Sagol Healthy Aging and Longevity Center in Humans . Faculty of Life Sciences . Longevity.technology - Latest News, Opinions, Analysis and Research . "מרכז משותף ישראלי-גרמני לחקר הזקנה יוקם באוניברסיטת בר אילן" . hayadan . 11 November 2019.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1169243650.
Today
Wikipedia's first sentence called it “full professor at the faculty of life sciences at bar ilan university who studies the molecular mechanisms that”. Today it says “israeli scientist”. The one-line description Wikipedia serves to search engines and AI systems read “Israeli professor (born 1968)”. It now reads “Israeli professor of Biology”. Read the current article and compare.
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 2023, and today's defining sentence is their current revision.
Then
full professor at the faculty of life sciences at bar ilan university who studies the molecular mechanisms that
Now
israeli scientist
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.
