Clik here to view.
Population Genetics: When Darwin Met Mendel – Crash Course Biology #18
— Hank talks about population genetics, which helps to explain the evolution of populations over time by combing the principles of Mendel and Darwin, and by means of the Hardy-Weinberg equation. Crash...
View ArticleClik here to view.
Taxonomy: Life’s Filing System – Crash Course Biology #19
— Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy. . . Table of Contents 1) Taxonomy 0:00 2) Phylogenetic Tree 1:24 3)...
View ArticleClik here to view.
Evolution: It’s a Thing – Crash Course Biology #20
— Hank gets real with us in a discussion of evolution – it’s a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of...
View ArticleComparative Anatomy: What Makes Us Animals – Crash Course Biology #21
— Hank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things. Table of...
View ArticleClik here to view.
Simple Animals: Sponges, Jellies, & Octopuses – Crash Course Biology #22
— Hank introduces us to the “simplest” of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as “animals” has been called into question because they are so simple)...
View ArticleClik here to view.
Complex Animals: Annelids and Arthropods – Crash Course Biology #23
— Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects. Crash Course Biology is now available on DVD!...
View ArticleClik here to view.
Hey, You Can’t Argue With Fate
— I am a rational, reasonable adult, far from perfect, but mature, and free from the most major defects, for the most part. Sure, there is a very rational fear of spiders, but that is just self...
View ArticleChordates – CrashCourse Biology #24
— Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts:...
View ArticleClik here to view.
Animal Behavior – CrashCourse Biology #25
— Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do. . . References: http://dft.ba/-35Uh — This post was previously published on...
View ArticleClik here to view.
Old & Odd: Archaea, Bacteria & Protists – CrashCourse Biology #35
— Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and...
View ArticleClik here to view.
Vascular Plants = Winning! – Crash Course Biology #37
— Hank introduces us to one of the most diverse and important families in the tree of life – the vascular plants. These plants have found tremendous success and the their secret is also their defining...
View ArticleClik here to view.
The Plants & The Bees: Plant Reproduction – CrashCourse Biology #38
— Hank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they’ve tricked it out so...
View ArticleClik here to view.
Ecology – Rules for Living on Earth: Crash Course Biology #40
— Hank introduces us to ecology – the study of the rules of engagement for all of us earthlings – which seeks to explain why the world looks and acts the way it does. The world is crammed with things,...
View ArticleClik here to view.
Community Ecology: Feel the Love – Crash Course Ecology #4
— Interactions between species are what define ecological communities, and community ecology studies these interactions anywhere they take place. Although interspecies interactions are mostly...
View ArticleClik here to view.
Why Hasn’t Evolution Dealt With the Inefficiency of Aging?
— Life pits the order and intricacy of biology against the ceaseless chaos of physics. The second law of thermodynamics, or the thermodynamic arrow of time, states that any natural system will always...
View ArticleClik here to view.
From Maiden to Married, Back to Maiden Again
— I went back to my maiden name, but I don’t think I will ever be a maiden again. The phrase maiden is such a strange one. The definitions of maiden provided by Merriam-Webster that were most relevant...
View ArticleClik here to view.
A Neutral Theory of Molecular Evolution
In 1968 Motoo Kimura published a short article in Nature in which he argued that “most mutations produced by nucleotide replacement are almost neutral in natural selection”. This fantastic paper is...
View ArticleClik here to view.
Some Will Not Understand Your Evolution, Success or Who You Are Becoming…
— This weekend, someone reached out to me.. not a friend, necessarily, but definitely a strong acquaintance. It went a bit like this (abbreviated version): “Hey man, I haven’t seen you at any...
View ArticleClik here to view.
Our Human Evolution: Not Talking Apes
From the time I could speak as a young boy, I’d lie about my childhood, that mine was “okay”. No, my childhood was not okay, far from it. Although, Mom, my sister, and I suffered greatly, we had to...
View ArticleClik here to view.
Deep Breath: This Sea Snake Gathers Oxygen Through Its Forehead
— Alessandro Palci, Flinders University and Kate Sanders, University of Adelaide Only fish have gills, right? Wrong. Meet Hydrophis cyanocinctus, a snake that can breathe through the top of its own...
View Article
