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→Radioactive materials
This process released a "tsunami" of [[neutron]]s that flowed in all directions. The subcrustal ocean absorbed most of these neutrons. The subcrustal waters that escaped, persist as cometary ices that are known to have twice (or more!) of the concentration of [[deuterium]] one finds in the oceans of earth. Other crustal elements absorbed the remaining neutrons, to form the heavy (and in some cases, radioactive) isotopes of lead and lighter elements.
This process released a "tsunami" of [[neutron]]s that flowed in all directions. The subcrustal ocean absorbed most of these neutrons. The subcrustal waters that escaped, persist as cometary ices that are known to have twice (or more!) of the concentration of [[deuterium]] one finds in the oceans of earth. Other crustal elements absorbed the remaining neutrons, to form the heavy (and in some cases, radioactive) isotopes of lead and lighter elements.
Radiocarbon presents a special case. The above process more than doubled the amount of radiocarbon in the atmosphere. In addition, the Great Flood itself sequestered significant portions of the earth's carbon stores. (Today, the "carbon age" of most fossil fuel deposits turns out to be "indefinite" or "infinite.") Post-Flood plants took up this radiocarbon. Any such plants, and any animals that ate their seeds, fruits, and vegetables, also took up this radiocarbon. They also took up heavy isotopes of key elements found in [[protein]]s, [[vitamin]]s, and other nutrients. With two untoward results:
Radiocarbon presents a special case. The above process more than doubled the amount of radiocarbon in the atmosphere. In addition, the Great Flood itself sequestered significant portions of the earth's carbon stores. (Today, the "carbon age" of most [[fossil fuel]] deposits turns out to be "indefinite" or "infinite.") Post-Flood [[plant]]s took up this radiocarbon. Any such plants, and any [[animal]]s that ate their [[seed]]s, [[fruit]]s, and [[vegetable]]s, also took up this radiocarbon. They also took up heavy isotopes of key elements found in [[protein]]s, [[vitamin]]s, and other nutrients. With two untoward results:
#Any protein or other large molecule could degenerate any time from the sudden decay of an atom of radiocarbon to [[nitrogen]].
#Any protein or other large molecule could degenerate any time from the sudden decay of an atom of radiocarbon to [[nitrogen]].
#Proteins might not "conform" properly because some of the atoms in their secondary structures (alpha-helices and beta-pleated sheets) were too heavy.
#Proteins might not "conform" properly because some of the atoms in their secondary structures (alpha-helices and beta-pleated sheets) were too heavy.
Either change can devastate any protein. And if that protein is an [[enzyme]], the results can "ripple" from that in ways no [[physician]] can predict.
Result: the lifespan of humankind fell ninety percent in eleven generations, as per the Annals of [[Terah]].
Result: the lifespan of humankind fell ninety percent in eleven generations, as per the Annals of [[Terah]].
Dr. Brown has proposed a test: build a greenhouse having ''no'' radiocarbon in its air, and ''no'' heavy isotopes in its soil. Grow a vegetable and [[tomato]] garden. Raise small animals, probably [[rodent]]s (including [[rat]]s, [[mouse|mice]], and [[rabbit]]s) on a diet drawn exclusively from this garden. Then measure how long they live, compared to a control group that eats conventional foodstuffs.
== Date of the Great Flood ==
== Date of the Great Flood ==