Evolution

Living the Scientific Life (Scientist, Interrupted)

Category archives for Evolution

tags: evolution, evolutionary biology, ancient DNA, aDNA, molecular biology, molecular ecology, archaeology, paleontology, fossil eggshell, extinct birds, giant moa, Dinornis robustus, elephant birds, Aepyornis maximus, Mullerornis, Thunderbirds, Genyornis, researchblogging.org,peer-reviewed research, peer-reviewed paper, journal club Elephant bird, Aepyornis maximus, egg compared to a human hand with a hummingbird egg balanced on a fingertip. To conduct my…

tags: reptiles, chameleon species, herpetology, Chris Raxworthy, research, American Museum of Natural History, AMNH, New York City, field research, nature, travel, Madagascar, speciation, streaming video With Madagascar containing nearly two-third’s of the world’s chameleon species, Christopher Raxworthy, Associate Curator of Herpetology at the American Museum of Natural History, recently embarked on an expedition to the…

I Didn’t Evolve From You

tags: Saturday Night Live, Dana Carvey, Jan Hooks, evolution, humor, funny, satire, television, I evolved from Jesus, streaming video I think I need to ask you which religion believes we evolved from Jeebus .. any ideas? I am also interested to additional lyrics that you would provide this song with .. maybe our friend, Digital…

tags: Center for Inquiry, CFI, NYC Skeptics, Free Inquiry and Secular Humanism, Darwin Day 2010, Ian Tattersall, Massimo Pigliucci, public education, outreach, New York City, NYC, education, streaming video On the day after the anniversary of Charles Darwin’s birthday, prominent paleoanthropologist Ian Tattersall gave a public lecture about Darwin and his impact on what we…

tags: evolutionary biology, paleontology, taphonomy, plumage color, feathers, color, melanin, eumelanin, phaeomelanin, dinosaurs, theropod, paravian, avialae, fossils, Anchiornis huxleyi, ornithology, birds, researchblogging.org,peer-reviewed research, peer-reviewed paper New research reveals that recently-described 155-million-year-old Anchiornis huxleyi, a woodpecker-like dinosaur the size of a modern-day domesticated chicken, had black-and-white spangled wings and a rusty red crown. Image: Michael DiGiorgio,…

tags: evolutionary biology, paleontology, fossils, fossilization, fossil forensics, Taphonomy, taxonomy, zoology, deep time, paleoceanography, amphioxus, Branchiostoma lanceolatum, lamprey, Lampetra fluviatilis, chordates, researchblogging.org,peer-reviewed research, peer-reviewed paper Three rotting Amphioxus heads. A sequence of images showing how the characteristic features of the body of amphioxus, a close living relative of vertebrates, change during decay. Colours are caused…

tags: evolutionary biology, convergent evolution, paleontology, taxonomy, zoology, basal birds, theropods, dinosaurs, ornithology, birds, Alvarezsauroidea, Haplocheirus sollers, Maniraptora, Archaeopteryx, researchblogging.org,peer-reviewed research, peer-reviewed paper A Newly Discovered Basal Alvarezsauroid Theropod from the Early Late Jurassic. Artwork: Portia Sloan [larger view] DOI: 10.1126/science.1182143 A long-standing scientific debate focuses on the origins of birds: did they evolve from…

tags: evolutionary biology, behavioral ecology, biochemistry, biophysics, magnetoreception, photoreceptor, cryptochromes, geomagnetic fields, butterflies, Monarch Butterfly, Danaus plexippus, birds, migration, signal transduction, researchblogging.org,peer-reviewed research, peer-reviewed paper Every autumn, millions of monarch butterflies, Danaus plexippus, each weighing less than one gram (one US penny weighs 2.5 grams), migrate nearly 4000 kilometers (3000 miles) between their summer breeding…

tags: evolution, evolutionary biology, evolutionary ecology, plumage color,carotenoid-based colour, carotenoids, lipid peroxidation, oxidative stress, sperm motility, sperm quality, sperm velocity, birds, ornithology, Great Tit, Parus major, researchblogging.org,peer-reviewed research, peer-reviewed paper Great Tit, Parus major. Image: Luc Viatour, Creative Commons/Wikipedia [larger view] In some species of birds, males are more brightly colored than females. This phenomenon…

tags: neurobiology, The Neurons that Shaped Civilization, mirror neurons, Ghandi neurons, social behavior, Lamarkian evolution, Darwinian evolution, VS Ramachandran, TEDTalks, streaming video Neuroscientist Vilayanur Ramachandran outlines the fascinating functions of mirror neurons. Only recently discovered, these neurons allow us to learn complex social behaviors, some of which formed the foundations of human civilization as we…