history of geologyHuttonmisconceptionsSiccar PointcreationismThe concept of the rock cycle and the “indefinite” length of geologic time were outlined first by James Hutton before he had ever seen an unconformity. Hutton drew general support of his theory from existing observations of unconformities...
One such historic paper was biochemist Hans Krebs’s article of 1937 on the metabolic citric acid cycle, now usually called the Krebs cycle. A request from Nature for advice on a manuscript sent to Krebs’s team in 1953 shows that the journal did by then submit some papers for peer ...
This chapter discusses the development of zoospores in -like thallus, focusing on the life cycle of the scytosiphonales. Small -like algae commonly grow on smooth pebbles or stones in the intertidal belt at Muroran, from late July to Dec... NAKAMURA,Yositeru - 《Botanical Magazine Tokyo》 ...
This one is unique to humans. Our reproductive cycle is uniquely fragile, pushed to its extreme limits by evolutionary pressure to produce infants with giant heads. Women’s fertile years are such a small fraction of their total lifespan, pregnancy is so taxing and resource-intensive, and infan...
Water is essential to life on Earth, so the question of where our water came from has a certain fascination. Francis Albarède reviews evidence for the hypothesis that at the time of the giant Moon-forming impact, both the impactor and the proto-Earth we
At the San Luis Potosí (SLP) volcanic field (Central Mexico), Quaternary basanites and tuff breccias have sampled a suite of ultramafic xenoliths, pre
The 52 sections of tablero correspond to the number of years in a full cycle of their Calendar Round. The Maya believed in the cyclical nature of time, and this 52 year cycle held special significance for them. The ending of a cycle was an ominous time which could herald the destruction ...
1996 was another down year at the end of a tech cycle, and we fell on harder times. We realized we didn’t quite understand what we were doing then. Swenson: We kind of wandered in the desert for a long time trying to figure out, What is this going to be? Forrest: We didn’t ...
Spring and the start of the fur trade’s seasonal cycle likely didn’t include our Fox River It would have been a grand sight, seeing voyageurs paddling their canoes down the Fox River here in what’s now northern Illinois as the winter fur-trapping season ended. The water sparkling as it...
Multiple pictures of Farm House here, cycle through with arrows. 44 Old Big Creek Cemetery Historic Cemetery 45 Carlos and Lucy Shirley's Front steps These steps would take you to the front door of the Shirley Home located on old Brooks Street. The style of the home was a brick ranch c...