Friday, December 12, 2025

Iran


Ahura Mazda (depiction is on the right, with high crown) presents Ardashir I (left) with the ring of kingship. (Relief at Naqsh-e Rustam, 3rd century CE)

Thursday, December 11, 2025

Jerusalem


A modern day city scene across Jerusalem

Palestine


Deir Yassin massacre of Palestinian villagers was carried out by Zionist militias, the Irgun and Lehi during the 1948 Palestine war.

Saturday, December 6, 2025

Friday, December 5, 2025

Friday, November 28, 2025

Ethiopia


Lucy, an Australopithecus afarensis skeleton discovered in Ethiopia's Afar Triangle in 1974

Thursday, November 27, 2025

Management


Diagram of Maslow's Hierarchy of Needs (five-level model). Based on his original 1943 paper "A Theory of Human Motivation" and later clarifications.

Wednesday, November 26, 2025

Earth


Continental boundary of Laurussia (Euramerica) and its constituents, superimposed onto modern coastlines

Tuesday, November 25, 2025

Sunday, November 23, 2025

USA


External mold of Ordovician bivalve showing that the original aragonite shell dissolved on the sea floor, leaving a cemented mold for biological encrustation (Waynesville Formation of Franklin County, Indiana).

Friday, November 21, 2025

Animals


Anomalocaris was an early marine predator, a member of the stem-arthropod group Radiodonta

Thursday, November 20, 2025

Tuesday, November 18, 2025

Earth


Artist's impression of the Earth during the Huronian glaciation, starting from mid-Siderian

Monday, November 17, 2025

Universe


Evolution of continental crust and ocean depths (from Korenaga, 2021)

Sunday, November 16, 2025

Universe


The lookback time of extragalactic observations by their cosmological redshift up to z=20.

Friday, November 14, 2025

France


Paleolithic cave paintings from Lascaux in France (c. 15,000 BCE)

Thursday, November 13, 2025

Wednesday, November 12, 2025

Vatican


The Creation of Adam by Michelangelo, the Sistine chapel 

Tuesday, November 11, 2025

Wednesday, November 5, 2025

Tuesday, November 4, 2025

Monday, October 27, 2025

Light


The electromagnetic spectrum, with the visible portion highlighted. The bottom graph (Visible spectrum) is wavelength in units of nanometres (nm).

Sunday, October 26, 2025

Energy


A plasma globe using electrical energy to create plasma, light, heat, movement, and a faint sound

Tuesday, October 21, 2025

Spain


Trilingual billboard in Barcelona (detail), showing the initial exclamation mark for Spanish, but not for Catalan (top line) and English