Dinesh's photos with the keyword: II Excerpt

Luca Pacioli

25 Jan 2022 2 1 95
This portrait of Luca Pacioli, en.wikipedia.org/wiki/Luca_Pacioli often mistakenly attributed to Jacopo de Barbari, was apparently painted in 1495 (the slip of paper on the desk gives the date). Pacioli is teaching from Euclid, and a copy of one of his own books on mathematics is in the right foreground. This is how mathematics was taught in the Renaissance and indeed for centuries afterwards

Human, Eagle and Bat

14 Nov 2014 2 75
…….it is valuable to understand how this is the culmination of a process of comparative biology that starts with the most evident feature of organisms -- like the common bone structures in mammalian forelimbs that Darwin cited -- and proceeds to ever more minute details., the striking affinities of anatomy and physiology point clearly to relationships, but the exact character of the relationships, the determination of just which organisms are closer kin, depends on the history of modifications of the genetic material. ~ Page 53