Señor Jordan
01065 Spanish Lesson - Present Tense - E-IE Stem-changing verbs
¡Hola! In this video lesson we'll be talking about verbs that have a little change in the middle. We call these stem-changing verbs. This is a video on the first type of three.
Señor Jordan
02 Spanish Lesson - Imperfect - Regular -ER and -IR verbs
This is the second video lesson on the imperfect. In the previous video we talked about how -AR verbs change. In this video we'll see how all but 3 -ER / -IR verbs change. Those three irregulars will be covered in the next video!
Señor Jordan
02 Spanish Lesson - Direct Objects (parte 2)
Hola. In this video lesson, we continue learning about the Direct Object pronouns. In the first video, ,we learned about lo, la, los and las. In this video, we also learn about the direct object pronouns that we use for people (me, te,...
Señor Jordan
02 Spanish Lesson - Present: saber (to know)
This is video two in the series on both verbs (saber & conocer) that mean 'to know' in Spanish. Conocer and Saber are used for different things though. This video covers saber and its uses.
Señor Jordan
01 Spanish Lesson - Present Tense - Hacer (to do/make)
Hola. In this lesson we'll be talking about an incredibly common verb that you'll come across in Spanish: hacer (to do/make).
Curated Video
Mindsets and Gender
Psychologist Carol Dweck (Stanford) discusses the links between mindsets and gender.
Curated Video
Solving Multivariable Equations
“Solving Multivariable Equations” will instruct you on how to mold an equation to solve for a needed variable.
R Programming 101
Doing a t-test using R programming (in 4 minutes)
If you are doing statistics or any quantitative analysis using R programming then at some point you'll need to do a t-test. T tests are statistical tests used to compare the mean of two samples. The null hypothesis is usually that the...
Jabzy
The Diary of an Italian Slave Trader | Trans-Atlantic Slave Trade, Slavery in the Americas
The Diary of an Italian Slave Trader | Trans-Atlantic Slave Trade, Slavery in the Americas
Bizarre Beasts
Figs Eat Wasps Before You Eat The Fig
The life of the fig wasp is nature at its worst—from our human perspective, anyway. In order to lay their eggs, female fig wasps have to squeeze into the flowering body of a fig, losing their wings and antennae along the way. It's all...
Curated Video
Which country has the most female politicians?
In most countries men outnumber women in parliament, but there are some exceptions. The Economist asks which has the most female MPs.
Australian Children's Television Foundation
Searching for an Emu After a Bush Fire
Season 2, Emu part 3. Kayne and Kamil encounter various animals, including a rare tree kangaroo as they search for an emu nest. Kayne also gets a lesson in different Wiradjuri dialects. Uncle Lewis describes what to look for and helps...
Institute of Human Anatomy
The Science of Fat: Understanding the Different Types and Purposes
This video discusses the different types of fat in the human body, where they are located, and their purposes. The teacher explains the evolutionary factors that led to humans being able to store excess calories as fat, and the hormonal...
Catalyst University
Estradiol Synthesis Theca Cells & Granulosa Cells
This video is a follow-up to the video regarding functions of LH and FSH (the gonadotropins). Here, we look at more detail regarding the synthesis of estradiol and the roles of the Theca Cells and Granulosa Cells.
Science360
Insect battles provide clues to evolution - Science Nation
There's much to learn from animal warfare, even when the animals are barely visible Description: The seemingly peaceful atmosphere in an organic garden on the University of Florida campus belies the battles happening among many of its...
TMW Media
Restoring the Great Lakes Sturgeon population
This program explores the mysterious world of Wisconsin's only living fossil, the lake sturgeon. This prehistoric throwback that once faced possible extinction is a conservation success story with the restored populations in Lake...
Healthcare Triage
Guns Increase Suicide Mortality
A new study out in the Annals of Internal Medicine studied suicide cases in the United States between 2007 and 2014. The researchers were specifically examining the demographics associated with the methods and mortality rates of these...
Curated Video
Describing the Union of Events
In this video, the teacher explains how to describe the union of two or more events using examples of rolling a die and student activities. The teacher demonstrates two methods - listing the outcomes and using a formula - to determine...
Science360
Insect battles provide clues to evolution
The seemingly peaceful atmosphere in an organic garden on the University of Florida campus belies the battles happening among many of its tiniest inhabitants -- the insects. For entomologist Christine Miller, there are endless...
Catalyst University
Major Branches of the Internal Pudendal Artery
In this video, we will be discussing the branches of the internal pudendal artery for both males and females, both of which exhibit large sexual dimorphism. NOTE: the internal pudendal artery has extensive genetic variability in the...
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...
Brave Wilderness
Mole Cricket Experiment!
In this segment of On Location, Coyote finds an elusive Mole Cricket! Have you ever wondered what insects are making all that loud screeching at night? Well to find out usually all you need to do is grab a simple flashlight and follow...
Brave Wilderness
World's Most Famous Frog!
On this episode of Breaking Trail, Coyote tracks down Costa Rica’s most iconic frog, the Red Eyed Tree Frog! Also known as the Red Eyed Leaf Frog, this species is well known for its vivid color patterns and giant bright red eyes. It is...
Curated Video
Bees: From Pollinators to Social Structures
This video provides an overview of bees, highlighting their importance as pollinators and their diverse species and behaviors. It covers their distinctive features, diet, social structures, and reproductive processes. The video also...