These animal groups lived in the ocean over half a billion years ago but were buried by a subterranean mudflow: Paleontologists found thousands of fossils in rocks on the bank of the Danshui river in Hubei province in southern China, where primitive forms of jellyfish, sponges, algae, anemones, worms and arthropods with thin whip-like feelers were entombed in an ancient underwater mudslide. The creatures are so well preserved in the fossils that the soft tissues of their bodies, including the muscles, guts, eyes, gills, mouths and other openings are all still visible. The 4,351 separate fossils excavated so far represent 101 species, 53 of them new.Ian Sample, “‘Mindblowing’ haul of fossils over 500m years old unearthed in China” at The Read More ›

With her publisher’s permission, Sabine Hossenfelder is making Appendix C of her book Lost in Math: How Beauty Leads Physics Astray, available at her blog: This bit of that excerpt is addressed to the science-minded public: As a science writer or member of the public, ask questions: ● You’re used to asking about conflicts of interest due to funding from industry. But you should also ask about conflicts of interest due to short-term grants or employment. Does the scientists’ future funding depend on producing the results they just told you about? ● Likewise, you should ask if the scientists’ chance of continuing their research depends on their work being popular among their colleagues. Does their present position offer adequate protection from Read More ›

From ScienceDaily: Bats fly, whales swim, gibbons swing from tree to tree, horses gallop, and humans swipe on their phones — the different habitats and lifestyles of mammals rely on our unique forelimbs. No other group of vertebrate animals has evolved so many different kinds of arms: in contrast, all birds have wings, and pretty much all lizards walk on all fours. Our forelimbs are a big part of what makes mammals special, and in a new study in the Proceedings of the National Academy of Sciences, scientists have discovered that our early relatives started evolving diverse forelimbs 270 million years ago — a good 30 million years before the earliest dinosaurs existed. “Aside from fur, diverse forelimb shape is Read More ›

From ScienceDaily: It isn’t easy being green. It takes thousands of genes to build the photosynthetic machinery that plants need to harness sunlight for growth. And yet, researchers don’t know exactly how these genes work. Now a team led by Princeton University researchers has constructed a public “library” to help researchers to find out what each gene does. Using the library, the team identified 303 genes associated with photosynthesis including 21 newly discovered genes with high potential to provide new insights into this life-sustaining biological process. The study was published online this week in Nature Genetics. “The part of the plant responsible for photosynthesis is like a complex machine made up of many parts, and we want to understand what Read More ›