Results 121 to 130 of about 114,503 (210)

Early Medieval World (Chapter 2 of World History, A Short, Visual Introduction)

open access: yes, 2015
The fifth through the tenth centuries was a period of significant transformation for Europe. As a result of the Germanic invasions and the collapse of the economy, the last Roman Emperor in the West, Romulus Augustulus (475-76), was deposed in 476.
Corning, Caitlin
core  

Serial depletion of Baltic herring since the Viking Age revealed by ancient DNA and population genomics

open access: yes, 2022
Atmore LM   +6 more
europepmc   +1 more source

Viking '75 spacecraft design and test summary. Volume 3: Engineering test summary [PDF]

open access: yes
The engineering test program for the lander and the orbiter are presented. The engineering program was developed to achieve confidence that the design was adequate to survive the expected mission environments and to accomplish the mission ...
Faust, R. P.   +2 more
core   +1 more source

Ancient DNA reveals the Arctic origin of Viking Age cod from Haithabu, Germany. [PDF]

open access: yesProc Natl Acad Sci U S A, 2017
Star B   +15 more
europepmc   +1 more source

Mitochondrial DNA variation in the Viking age population of Norway. [PDF]

open access: yesPhilos Trans R Soc Lond B Biol Sci, 2015
Krzewińska M   +6 more
europepmc   +1 more source

Significant achievements in the planetary geology program, 1980 [PDF]

open access: yes
Recent developments in planetology research as reported at the 1980 NASA Planetology Program Principal Investigators meeting are summarized. Important developments are summarized in topics ranging from solar system evolution and comparative planetology ...
Holt, H. E.
core   +1 more source

Preliminary geologic mapping near the Nilosyrtis Mensae, Mars [PDF]

open access: yes
Virtually the entire map area is mantled by an irregular deposit of material that is apparently fine-grained and erodible. It is also extremely young, as there is not a single crater larger than 1 km in the map area that was emplaced atop the mantle ...
Williams, Steven H., Zimbelman, James R.
core   +1 more source

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