Okay, today I'm going to model mitosis and we're going to do it with a simple organism. In this organism it's going to have, we'll make it four chromosomes, and...
In the 17th century, when Galilei discovered that the earth turned around the sun instead of the other way around, many people were in a state of great shock. They had thus far believed that humans...
Hi. It's Mr. Andersen and today I'm going to be talking about series and parallel circuits. These are a couple of different circuit diagrams. Remember this stands for a battery and...
Hi, my name is Andrea and today we're going to be doing a little social experiment I'm going to ask people to have sex with me Do you want to have sex with me? Honey, you are ok or you...
You look down and see a yellow pencil lying on your desk. Your eyes, and then your brain, are collecting all sorts of information about the pencil: its size, color, shape, distance, and more. But, how...
When we think about learning, we often picture students in a classroom or lecture hall, books open on their desks, listening intently to a teacher or professor in the front of the room. But in...
Hi. It's Mr. Andersen and welcome to Biology Essentials Video 31. This is on gene regulation. In other words how we express a gene or not. How we make a protein or not. And I wanted to start...
Hi, my name is Cameron Russell and for the last little while I've been a model, actually for 10 years. And I feel like there is an uncomfortable tension in the room right now, because I should...