Curated Video
How Twins are Made | Identical, Fraternal, and Others??
Do you know how twins are made? I was surprised to learn how many people thought they knew but didn't. In this video, I clear up any confusion related to twinning (from a biological perspective). Watch this video and impress your friends...
Visual Learning Systems
Plant Life Cycles: Reproducing
This video explores the fascinating process of plant development from a small seed, growing into a beautiful plant, reproducing, and eventually dying.
Visual Learning Systems
Life Cycles: What Is a Life Cycle?
Upon viewing the Life Cycles video series, students will be able to do the following:
Understand that living things go through changes in the course of their lives referred to as a life cycle.
State that most living things follow a...
Visual Learning Systems
Fungi: Fungi Reproduction
From making bread to decomposing things in the environment, fungi play a very important role in our lives. Vivid video footage, accompanied by colorful animations, illustrates the fascinating origin, diversity, and characteristics of...
Visual Learning Systems
Exploring Plant Reproduction: Asexual Reproduction in Plants
This engaging series of videos uses colorful animations and on-location footage to illustrate some of the amazing ways plants reproduce. The reproduction processes in bryophytes, ferns, gymnosperms, and angiosperms are highlighted....
Visual Learning Systems
Plant Reproduction: Introduction
This engaging video program uses colorful animations and on-location footage to illustrate some of the amazing ways plants reproduce. The reproduction processes in bryophytes, ferns, gymnosperms, and angiosperms are highlighted....
Nature League
Sex Safari - Field Trip
In this Nature League Field Trip, Brit goes on a Montana safari at the National Bison Range and shares some local stories of how species have persisted over time via reproduction.
Professor Dave Explains
Mechanisms of Natural Selection Conflict, Spite, and Reciprocity
We learned about how altruism can evolve in certain species, which involves cooperative behavior among closely-related organisms to enhance the inclusive fitness of the group. But this is also achieved through spiteful behavior towards...
Professor Dave Explains
Phylum Cnidaria Part 2: Class Hydrozoa
As we now know, there are five major classes within phylum Cnidaria, and we will go through them one at a time. First up is class Hydrozoa. This contains a variety of small predatory polyps, such as hydras. These are fascinating...
AllTime 10s
10 Body Parts You Never Knew Existed
Evolution has evolved the human body over thousands of years, yet we are still discovering new things about our bodies. From the mesentery, to the second nose, AllTime10's brings you 10 Body Parts You Never Knew Existed.
Nature League
Is That Ostrich Flirting With Me? - From A to B
In this episode of "From A to B", Adrian asks Brit why male ostriches sometimes direct mating dances toward humans.
Professor Dave Explains
Mechanisms of Natural Selection Altruism and Kin Selection
We have learned all about so-called "survival of the fittest" which is a phrase we associate with natural selection. We typically associate this concept with competition for resources, but there are situations in which this involves the...
Professor Dave Explains
Phylum Cnidaria Part 5: Class Anthozoa
Of the five major classes of phylum Cnidaria, we have just one more to cover, and that's Anthozoa. These are "flower animals", or polyps that lack a medusa stage, such as anemones, corals, sea pens, and more. Let's take a look at these...
Professor Dave Explains
Phylum Cnidaria Part 1: Introduction and Broad Characteristics
Next up for animal phyla is Cnidaria! This phylum contains jellyfish, sea anemones, corals, and all kinds of other organisms. This one is pretty meaty so it will take several tutorials. Let's start by getting through some information...
Healthcare Triage
Women on Web Move to Increase Access to Abortion Pills in the US
Women on Web is an organization that increases access to pharmaceutical abortion services in countries where those options are limited. The organization has now started a separate service that will fill prescriptions in the United States...
Primer
Why do Things Exist? Setting the Stage for Evolution
Before thinking about living things, let's see what we can say about why raindrops and planets exist.
Primer
Why do Things Exist? Setting the Stage for Evolution
Before thinking about living things, let's see what we can say about why raindrops and planets exist.
TMW Media
Water Birds Mating In The Desert: What kinds of scientists study birds
What are they examining when studying birds? What do Banded Stilts eat and where do they find them? Water Birds Mating In The Desert, Part 1
Catalyst University
Hawkins-Kennedy Test | Rationale & Interpretation
In this video, we explore the Hawkins-Kennedy test, a special test used in the diagnosis of subacromial impingement syndrome. We also touch on its psychometrics including sensitivity and specificity.
Journey to the Microcosmos
The Tiny Crustacean With the Oldest Penis
The Tiny Crustacean With the Oldest Penis
Catalyst University
Subscapularis Tears | Special Tests | Rationale & Interpretation
In this video, we explore special tests used to rule-up a tear of the subscapularis. Specifically, we will briefly review the subscapularis, demonstrate common special tests used for diagnosis, and explore each tests’ psychometric...
Visual Learning Systems
The Importance of Reproduction
The video discusses the fundamental principle of biology that all living things come from previously living things, and how reproduction is essential for the continuation of a species. Reproduction and Development part 2/8
Catalyst University
Valsalva Test | Rationale & Interpretation
In this video, I explain and demonstrate the Valsalva test, a special test used in the assessment of a cervical radiculopathy.
Curated Video
Cell Specialization: How Different Cells are Adapted to Their Functions
The video discusses cell specialization, explaining how cells are structured differently to suit their functions. Three types of specialized cells are examined, including sperm cells, egg cells, and ciliated epithelial cells. The video...