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18 hours ago · Ordovician (485–443 Ma): Fish, the world's first true vertebrates, continued to evolve, and those with jaws ( Gnathostomata) may have first appeared late in this period. Life had yet to diversify on land. Arandaspis. Arandaspis are jawless fish that lived in the early Ordovician period, about 480–470 Ma.
18 hours ago · Albania's Codex Beratinus is a Greek uncial codex of the New Testament that has been dated paleographically to the 6th century. The Vienna Dioscurides of Austria can be considered as the most important pharmaceutical source of the Ancient World and was used throughout the Middle Age, Renaissance and in later centuries as a dictionary for medical practitioners.
18 hours ago · Evolutionary history of plants. A late Silurian sporangium, artificially colored. Green: A spore tetrad. Blue: A spore bearing a trilete mark – the Y -shaped scar. The spores are about 30–35 μm across. The evolution of plants has resulted in a wide range of complexity, from the earliest algal mats of unicellular archaeplastids evolved ...
18 hours ago · This is the well-known 42-line Bible, a major venture that was started started in 1451. Undated, Gutenberg and his associate Johann Fust first promoted the results of their job in Frankfurt in October 1454 and cardinal Enea Silvio Piccolomini attested in March 1455 that either 158 or 180 bibles had been completed.
