Rhenocystis Type post Author Günter Bechly Date September 16, 2022 CategoriesAnatomyPaleontologyScience Tagged , chordates, Darwinism, Devonian Period, echinoderms, Fossil Friday (series), fossil record, genitals, Germany, Henry Gee, homology, Museum of Natural History, Nature (journal), paleontology, Paleozoic, tunicates, vertebrates Fossil Friday: Rhenocystis and the Controversial Calcichordate Hypothesis Günter Bechly September 16, 2022 Anatomy, Paleontology, Science 11 It looks a bit like a tadpole with body and tail, and this indeed points towards one of the great scientific controversies of the 20th century. Read More ›
sperm Type post Author Geoffrey Simmons Date August 5, 2020 CategoriesEvolution Tagged , birds, blood, bones, brain, cartilage, chicken-and-egg problem, chromosomes, DNA, Doctor's Diary (series), evolution, evolution of the sexes, female, fertilization, fingers, fish, genitals, hormones, inbreeding, joints, ligaments, male, muscles, natural selection, nerves, occipital lobes, ovum, primates, procreation, Science (journal), Science Advances, sperm, swimming, Wright brothers, zygote Doctor’s Diary: Evolution’s Countless Chicken-and-Egg Conundrums Geoffrey Simmons August 5, 2020 Evolution 8 It turned out last week that scientists have been wrong for 350 years about how sperm swim. Read More ›
