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stasis

Tuatara genome sequenced; some surprising findings

At Nature: The genome produced by Gemmell and co-workers is one of the largest vertebrate genomes published so far. At more than 5 gigabases, it is about 50% larger than the human genome… Tuatara have a close resemblance to their forebears from the early Mesozoic era, between 240 million and 230 million years ago… Read More ›

Billion-year-old algae (“leaves, … branches …”) raise some interesting questions

Like any real history, evolution is not driven by a single force or idea. Horizontal gene transfer from bacteria obviates the quest for an “ancestor” seaweed. Maybe there isn’t one. Read More ›

Tiny 99 mya bird (?) skull trapped in amber raises many questions

But get this: Benson goes on to explain that one of the “bizarre” features of Oculudentavis is qualities present in lizards but neither in birds nor in dinosaurs. It is smaller than most hummingbirds but had over a hundred teeth… The more research we do, one suspects, the more of this type of thing we'll find and the harder it would all be to explain to our old Darwinian schoolteacher. Read More ›

Green plants discovered in China dated at a billion years ago

It’s not “land” vs. “sea” that’s really significant here. It’s how much time was available for the development of photosynthesis. If the claim is that photosynthesis developed via natural selection acting on random mutations (Darwinism), then it must have somehow randomly happened in that billion years. Was there enough time? becomes an unavoidable question. Read More ›

Ghost worms unchanged in form for 275 million years but show “highly distinct” genetics?

One wants to ask, how distinct ARE the genomes of these species that all look the same? Would it be like mapping a cat’s genome and finding a German Shepherd’s GATTACA in there? What that level of distinction really tells us goes well beyond cats and German Shepherds. Or do the researchers really mean something less highly distinct? What? We search for analogies here. Read More ›

Fossil forest update: “Pretty sophisticated” for nearly 400 million years ago

Researcher: "Based on what we know from the body fossil evidence of Archaeopteris prior to this, and now from the rooting evidence that we've added at Cairo, these plants are very modern compared to other Devonian plants. Read More ›

Did the mega dinosaurs grow so big on a “living fossil” grass?

Equisetum, considered a “living fossil” is the only surviving member of a large family of spore-bearing vascular plants found as early as 150 mya. It's still here. The giant sauropods not so much. Read More ›

“Modern” eye pigment has been around over fifty million years

“‘We were surprised by what we found because we were not looking for, or expecting it,’ says Johan Lindgren, an Associate Professor at the Department of Geology, Lund University, and lead author of the study published this week in the journal Nature.” Note that they are now wondering whether Cambrian arthropods’ eyes were really that different. Talk about stasis. Read More ›