These possible biosignatures include: (a) microfossils and stromatolites; (b) molecular structures (biomarkers) and isotopic compositions of carbon, nitrogen and hydrogen in organic matter; (c) multiple sulfur and oxygen isotope ratios of…
Homeobox genes represent a family of highly conserved transcription factors originally discovered to regulate organ patterning during development. More recently, several homeobox genes were shown to affect processes in adult tissue…
Charles Darwin appreciated the conceptual difficulty in accepting that an organ as wonderful as the vertebrate eye could have evolved through natural selection. He reasoned that if appropriate gradations could be found that were useful to…
Helitack H-517 1819 David Phillips, Bald Mtn. Helitack H-517 1820 Pedro Barba, Vista Grande IHC 1821 Paul Sakamoto, Vista Grande IHC 1822 Dustin Carle, Vista Grande IHC 1823 Chris Trembly,Vista Grande IHC 1824 Josh Mann, Vista Grande IHC…
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