Trilobites (a type of arthropod) appear in sedimentary rocks as part of the Cambrian Explosion.¹ In this episode, all the major animal groups first appear as fossils. They appear suddenly, fully-formed, and functional, and the older rock layers below them contain no ancestors.^2,3

Green blood is not something you see every day. The recent search for why several species of lizards found in New Guinea have green blood assumes an evolutionary origin for these creatures. It seems like the researchers started with a discovery that indicates green blood developed independently in four species from red-blooded ancestors.¹

Many environmentalists are concerned with the anthropogenic production of carbon dioxide produced by burning fossil fuels. Research projects are being funded across the globe to find ways to sequester the “extra” CO2 produced by these processes in an effort to save our planet.

by Frank Sherwin and Jeffrey Tomkins