Curated Video
Migration: Reproduction
Some animals must migrate to reproduce. Pacific salmon migrate thousands of kilometres to spawn - an epic journey which ends in death. Biology - Ecosystems - Learning Points. Pacific salmon migrate thousands of miles to reproduce. Their...
Curated Video
Cervix
The lower end of the uterus, where it joins and protrudes into the upper end of the vagina. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
The human cell
Go back to the beginning of your life and find out how you were created. Life processes - Living processes - Cells Learning Points Human cells consist of a membrane, cytoplasm and a nucleus. A zygote is a single cell formed by the fusion...
Curated Video
Reproduction
Reproduction takes place in all living things, but what do we mean by reproduction? Life processes - Living processes - Reproduction Learning Points Reproduction is when living things produce young to ensure the survival of a species....
Professor Dave Explains
Subphylum Myriapoda Part 1: Form and Function
Moving along through phylum Arthropoda we reach subphylum Myriapoda. This includes all the millipedes and centipedes, as well as some other similar animals. Let's start out by looking at the general form and function of the myriapods.
Healthcare Triage
Why Isn't there a Birth Control Pill for Males?
Condoms and vasectomies remain pretty much the extent of birth control options for people who produce sperm, and both have problems. So why is almost all hormonal birth control aimed at those with ovaries? There have been some successes...
Institute of Human Anatomy
The Essential Ingredients of Semen
In this video, Jonathan from the Institute of Human Anatomy discusses the components of semen, why it is necessary for sperm cells and reproduction, and the glands that produce it such as the prostate gland.
Curated Video
GCSE Biology - What is IVF? How Does IVF Work and What Are The Risks? IVF Explained #62
Learn how we can boost fertility using the hormones LH and FSH, with a focus on 'In Vitro Fertilisation' - including how it works and it's pros and cons.
Curated Video
GCSE Biology - Meiosis #70
Meiosis is the process of cell division that gives us gametes such as sperm and egg cells. This video covers how the process works, why gametes are so important, and explains chromosomes.
Curated Video
GCSE Biology - Contraception #61
Contraceptives are methods people use to prevent pregnancy. In this video we explore the many hormonal and non-hormonal types and how they work. We also briefly cover how pregnancy starts.
Professor Dave Explains
Phylum Annelida Part 3: Oligochaeta and Hirudinea (Segmented Terrestrial/Aquatic Worms and Leeches)
With the marine segmented worms covered, let's get a closer look at Oligochaeta and Hirudinea, which include the familiar earthworms, and the leeches. The anatomy and physiology of the common earthworm is actually quite fascinating,...
Neuro Transmissions
My baby's brain from conception to birth
What happens to your brain BEFORE birth? Growing an entire mind in nine months is a pretty enormous accomplishment! A baby's brain goes from just a couple of cells to a neuron-dense powerhouse. But what does the brain development of a...
Nature League
Exploring Sex and Reproduction | Compilation
Brit looks back on our fourth month on Nature League, when we explored the theme of sex and reproduction.
Nature League
Where Did the Kraken Come From? - From A to B
In this episode of "From A to B", Adrian asks Brit how humans came up with tales about sea monsters.
Curated Video
Fertilization of the Sperm and Egg in Humans - How babies are made!
Fertilization. How does it happen? In this video, we discuss the male and female reproductive systems and how they work together to create an entire new human.
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...
Curated Video
What is Evolution: A REALLY SIMPLE and Brief Explanation
Evolution “is the net change in organisms or a population over the span of many generations.” This change in organisms or populations happens through DNA mutations and reconbination and is passed down to the next generation through...
Visual Learning Systems
Plant Reproduction: Reproduction in Seedless Plants
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 Cells and Inherited Trauma - De-Natured
In this De-Natured segment of Nature League, Brit breaks down a recent scientific journal article about the effects of childhood trauma on adult sperm cells of mice and men. Article citation: Dickson, D.A., Paulus, J.K., Mensah, V., Lem,...
Journey to the Microcosmos
Looking at Tardigrade Sperm and Other Reproducing Swimmers
Not all hypotheses need to be good. In fact, many of them are terrible. It’s just that when you’re trying to understand the world, you might find yourself believing that there are tiny humans living inside the heads of sperm, and we're...
Science360
Fluorescent Fruit Flies Shed New Light - Science Nation
Syracuse University biologists are now able to study previously unobservable events tied to sexual selection. That's because they were able to genetically alter fruit flies so that the heads of their sperm were fluorescent green or red....
Science360
Fluorescent Fruit Flies Shed New Light
Syracuse University biologists are now able to study previously unobservable events tied to sexual selection. That's because they were able to genetically alter fruit flies so that the heads of their sperm were fluorescent green or red....
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.
The Economist
Is male fertility in crisis?
Sperm counts have fallen by more than 50% in the past four decades. To understand what’s going wrong with men, we need to stop seeing fertility as a woman's problem