Earth-like soils on Mars? Ancient fossilized soils potentially found deep inside impact crater suggest microbial life -- ScienceDaily

Earth-like soils on Mars? Ancient fossilized soils potentially found deep inside impact crater suggest microbial life -- ScienceDaily

This out recently from the same scientist that reinterpreted the Ediacaran fauna as terrestrial lichens, fungi and biocrusts, http://geodermatophilia.blogspot.com/2012/12/very-early-life-on-land-just-who-is.html

As Many Exceptions As Rules: The Colors of Alien Plants

As Many Exceptions As Rules: The Colors of Alien Plants: Biology concepts – photosynthesis, chlorophyll, pigmentation, astrobiology, exoplanet, dormancy The King Crimson Norway Maple in our ...

I ran across this on researchblogging.org. Nice simple explanation of chlorophylls and other pigments. Also its the first I've heard of chlorophyll d and its role as the primary light harvesting pigment in cyanobacteria. Is this really true, or is there some controversy that the author is omitting?