Crash Course
How Do Outbreaks Start? Pathogens and Immunology - Crash Course Outbreak Science
You may not realize it, but your body is like a fortress, designed to defend you from tiny foreign invaders known as pathogens. This seemingly small world is actually super diverse, and sometimes super dangerous too. That’s why in this...
Bozeman Science
A Tour of the Cell
Paul Andersen takes you on a tour of the cell. He starts by explaining the difference between prokaryotic and eukaryotic cells. He also explains why cells are small but not infinitely small. He also explains how the organelles work...
SciShow
Is There DNA in Dirt?
You know about fossils, but what other secrets are lurking in the ground beneath our feet?
Wonderscape
Challenges and Progress in Cloning Endangered Species: A Hopeful Future
Science Kids Cloning Endangered Species - Pros and Cons This video discusses the challenges and potential of cloning endangered species for conservation efforts. It highlights the genetic issues faced by clones, the process of using...
Curated Video
Rare Illness + Google Search = Loving Family’s Foundation
One very rare disease and a family’s curious questions on Google search was the start to this loving foundation. After 15 months of noticing something was not right with their baby, Jennifer and Christopher Iannuzzi finally got a...
Curated Video
Hershey and Chase Experiment: Finding the Genetic Material
Although early scientists knew heredity came from within organisms, they couldn't initially identify the genetic material until pivotal experiments like those of Griffith and later Hershey and Chase. In 1952, Hershey and Chase used...
Curated Video
Griffith's Experiment: DNA as Genetic Material
Our understanding of DNA as the hereditary material emerged gradually, challenging the early belief that proteins, not DNA, were responsible for heredity. A pivotal moment came in 1928 when Frederick Griffith discovered bacterial...
Curated Video
Chromosomes: structure and function
In this video, we will delve into the core of genetics as we break down the fundamentals of chromosomes, explaining what they are and how they impact our traits. Discover the intricate structure of chromosomes, from the double helix of...
Curated Video
Eukaryote
Organisms whose cells contain complex membrane-bound structures, called organelles. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Genotype
The genetic make-up of an individual. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key...
Curated Video
Meiosis
A type of cell division important to produce sex cells such as eggs and sperm. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Nucleus (chemistry)
In an atom, the small, dense, positively charged structure at its centre, containing the protons and neutrons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Ovum
Or egg, is the unfertilised female reproductive cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Hybridisation
The combining of genetic material from two variations within a species, or of different species, to create a hybrid individual. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
DNA replication
An essential stage in cell division and reproduction, allowing genetic material to be copied into a new cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Sperm
Male reproductive cells, also referred to as the male gametes. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Parts of the Plant: Flowers
How do plants reproduce? How is pollen dispersed and how does it develop into a seed? Discover the vital role flowers play in plant reproduction. Biology - Plants - Learning Points. Flowers are the reproductive part of most plants. The...
Curated Video
Dolly the Sheep
In 1997, Scottish scientists announced the first successful cloning of an adult animal - Dolly the Sheep. But her birth was mired in controversy. Biology - Cells And DNA - Learning Points. Dolly the sheep was the world's first clone....
Curated Video
DNA and Crime
DNA profiling can match individuals to a crime scene using only a few cells. A brief history of DNA profiling and the breakthroughs that have made this possible. Biology - Cells And DNA - Learning Points. DNA is described as a...
Wonderscape
The Invisible Invaders: Understanding Viruses
Delve into the microscopic world of viruses, learning about their structure, how they differ from living organisms, and their methods of infecting host cells. Understand the components of a virus, including nucleic acids (DNA or RNA), a...
Wonderscape
Cell Division and Reproduction in Animals and Plants
Explore the processes of cell division and reproduction in animals and plants. Learn about mitosis, the process by which cells replicate and repair damaged tissue, and meiosis, the method of cell division involved in sexual reproduction....
Curated Video
Cloning for a Cure: Hope for Motor Neurone Disease
In a groundbreaking medical procedure, scientists plan to create an embryonic clone using genetic material from wheelchair-bound Brian Oregon, who has motor neurone disease. By harvesting embryonic stem cells and injecting them back into...
Curated Video
GCSE Biology - Sexual vs Asexual Reproduction - What is Asexual Reproduction? #71
How do organisms reproduce? Well it depends on the organism. We explore the two main types - sexual and asexual and consider the consequences of each.
Curated Video
GCSE Biology - DNA Part 1 - Genes and the Genome #63
In this video we recap chromosomes and then explain what DNA is, what genes and the genome are, and how we can use them to track the migrations of early humans.