New: biologyAll contenthive-129948krhive-196917steemzzanhive-183959hive-180932hive-185836hive-166405uncommonlabphotographyhive-183397hive-101145hive-150122hive-144064hive-188619bitcoinhive-145157krsuccesshive-184714lifehive-193637hive-109690hive-103599hive-180301TrendingNewHotLikersmes (67)in hive-196037 • 12 hours agoPlant Nutrition and Transport: Hydroponics, Osmosis, and TranslocationIn this video I explore the mechanisms by which plants transport water and nutrients. Essential nutrients for plant growth and reproduction are identified through controlled hydroponic experiments…mes (67)in hive-196037 • 2 days agoPlant Body: Roots, Leaves, Flowers, Reproduction, Xylem and PhloemIn this video I go over how plants are divided into root and shoot systems. The root system anchors the plant and absorbs water and nutrients, while the shoot system includes stems, leaves for…mes (67)in hive-196037 • 9 days agoMainstream Overview of Viruses, Virology, and VaccinesIn this video I provide an overview of mainstream virology in terms of the theory of how viruses develop immunity and the various types of vaccines currently in production as well as future ones…kyp84 (42)in nature • 9 days ago화려한 깃털과 웅장한 갈기, 그리고 신호의 철학: 생존과 번식의 역설자연은 우리의 상상을 뛰어넘는 경이로움으로 가득합니다. 그 경이로움은 단순히 아름다움에 그치지 않고, 깊이 있는 이야기를 품고 있습니다. 우리가 자연 속에서 마주치는 생명체들의 특징은 때로는 합리적 이해를 벗어난 신비로 다가옵니다. 공작새의 화려한 깃털, 숫사자의 두꺼운 갈기, 물고기의 선명한 색깔은 모두 그 대표적인 사례입니다. 그들은 아름답고…kundanika (68)in humans • 17 days agoIf Humans Could Hibernate in Winter: A Speculative ExplorationImagine a world where humans could hibernate during the cold winter months, much like bears or squirrels. The concept, while currently in the realm of science fiction, has been discussed in…lupafilotaxia (75)in hive-175254 • 18 days agoWeeds are not so badThis closing delivery of the week, aims to socialize information related to the scientific work on plant biodiversity, mainly on the biased conception that has the agricultural sector to qualify a…lupafilotaxia (75)in hive-175254 • 20 days agoBioinformatics as a tool for the analysis of biological dataIt is asserted that the great technological advances have been produced in the last five decades, according to the appreciations that have the modern society, fundamentally because the multiple…lupafilotaxia (75)in hive-175254 • 27 days agoBIOLOGICAL MECHANISM // The defensive arsenal of plants. Part IThe motor, visual, auditory and olfactory actions, and the particularity of emitting sounds, are in a way the sum of a perfect biological mechanism that we humans have to defend ourselves, and that…mes (67)in hive-196037 • 2 months agoFungi: Chitin, Yeasts, Molds, Mushrooms, and DecompositionIn this video, I discuss fungi, a group of eukaryotic organisms known for their role as decomposers and for containing the long-chain polymer chitin in their cell walls. Fungi are a highly diverse…mes (67)in hive-196037 • 2 months agoPlant Diversity: Flowering Plants, Gymnosperms, Bryophytes, PollinationIn this video I discuss the wide variety of plants, which are mainly eukaryotes that obtain energy from the Sun via photosynthesis. There are over 410,000 known species of land plants and about…mes (67)in hive-196037 • 2 months agoBiological Diversity: ProtistsIn this video I discuss protists, which are eukaryotic organisms that are not animals, plants, or fungi. Since this classification excludes other eukaryotes (organisms whose cell(s) have a…mes (67)in hive-196037 • 2 months agoBiological Diversity: Bacteria, Archaea, and EutrophicationIn this video I go over bacteria and archaea which comprise two large and separate domains of prokaryotic microorganisms. Bacteria consist of one biological cell and were among the first life forms…mes (67)in hive-196037 • 2 months agoEvolutionary Biology: History of Life, Mass Extinction Events, and DinosaursIn this video I go over the evolutionary history of life on Earth, which evolved from an universal common ancestor that lived about 3.5 billion years ago. There have been several mass extinction…mes (67)in hive-196037 • 2 months agoEvolutionary Biology: Speciation, Reproductive Isolation, and HybridsIn this video, I explain speciation, the process by which one lineage splits into two independent lineages that evolve separately. For speciation to occur, reproductive isolation is required, which…mes (67)in hive-196037 • 2 months agoEvolutionary Biology: Phylogenies, Homology, and TaxonomyIn this video I go over phylogenies, which represent the evolutionary history of a group of organisms or their genes. Phylogenetic trees are used to compare and group different species. All living…mes (67)in hive-196037 • 2 months agoEvolutionary Processes: Natural Selection, Genetic Drift, Population BottlenecksIn this video I provide a quick overview of evolutionary biology, its history, and important processes that affect the genetic characteristics passed down to populations. Evolution is the change in…mes (67)in hive-196037 • 2 months agoGenetics: Genes, Development, and EvolutionIn this video I review the 4 key stages of development of an organism: determination, differentiation, morphogenesis, and growth. I also discuss the role genes play in development or organisms and…chenshan (39)in hive-180932 • 3 months ago箭毒蛙竟然给蝌蚪投毒，这是怎么回事？（The poison dart frog actually poisons its own tadpoles, what's going on here?）ZH 1:母爱与生存的挑战：箭毒蛙妈妈为后代寻找安全孵化地，展现了母爱的伟大，但面对食物短缺等生存挑战，她不得不离开孩子。 2:自然法则的残酷：蝌蚪咬破剧毒蛙卵，毒素扩散，揭示了自然界中生存竞争的残酷性，即使是亲生母子也可能成为彼此的威胁。 3:生物适应性的体现：箭毒蛙妈妈利用凤梨科植物积水作为育婴室，以及分泌的特殊液体帮助蝌蚪游泳，体现了生物对环境的独特适应性。…remlaps (75)in hive-109160 • 4 months agoNew technique makes skin invisible - yes reallyTL;DR Using Yellow Dye #5, a common coloring that's used in products from foods like Twinkies to lipsticks and house paints, Stanford University researchers have been able to see through the…
