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Biomagnification and the Infamous DDT
People once recommended that you should wear a mask when spraying DDT onto the skin of the food you would later eat. The video explains biomagnification and the impact that giving toxins to producers has on the largest consumers. It uses...
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Ecological Succession: Nature's Great Grit
Your science class may not enjoy ecology yet, but after this video series they are sure to be lichen it! An educational video explains ecological succession at the community level. It includes primary succession starting with...
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Plant Structure and Adaptations
Non-vascular plants, like moss, are able to survive on photosynthesis. A video explains plant structure for both vascular and non-vascular plants. It includes the parts of each plant and adaptations to various environments such as...
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Dichotomous Keys: Identification Achievement Unlocked
Do you know the difference between a mountain lion, puma, cougar, and Texas panther? They are all the same animal but have different names in different areas of the world, which is why we use scientific names for plants and animals. The...
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Viruses: Virus Replication and the Mysterious Common Cold
Viruses were nano before it was cool. The video discusses viruses such as the common cold and HIV. It includes the structure of a virus and the two cycles: the lytic cycle and the lysogenic cycle.
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Why RNA is Just as Cool as DNA
Warning: there are no lifeguards in the gene pool! An educational video compares and contrasts DNA and RNA. It includes the three types of RNA as well as the four bases of RNA.
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Multiple Alleles (ABO Blood Types) and Punnett Squares
Whatever you do in life, always give 100 percent—unless you are donating blood. A video explains how to solve Punnett squares with multiple alleles, in this case blood types. It includes what happens if the wrong type is added,...
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Punnett Squares and Sex-Linked Traits
Until the 1960s, the life expectancy of a hemophiliac was only 11 years. An informative video explains how to solve a Punnett square when there is a sex-linked trait — in this case hemophilia. It includes a discussion of the xy...
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Monohybrids and the Punnett Square Guinea Pigs
Introduce young biologists to monohybrid crosses and simple Punnett Squares. It includes explanations of dominant versus recessive and genotype versus phenotype by exploring different genetic combinations of guinea pigs.
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Chromosome Numbers During Division: Demystified!
Your DNA is restless; have you taken your chromosome walking today? A video helps clarify how to count chromosomes during each stage of division for both mitosis and meiosis. It includes a comparison of division and reductive...
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Mitosis: The Amazing Cell Process that Uses Division to Multiply!
What did one cell say to his sister when she stepped on his toe? Mitosis! The video details the process of using division to multiply that is better known as mitosis. It includes the four steps of mitosis: prophase, metaphase, anaphase,...
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The Cell Cycle and Cancer
Do you know why chemotherapy causes hair loss? A video explains the mitosis portion of the cell cycle and focuses on why we should care. The lesson explains what a cancer is as well as its current and potential future treatments.
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DNA Structure and Function
Chromosomes come in pairs and in pears. The video covers DNA structure and function including the parts of the nucleotide and the four bases. It provides examples of cloning, gene regulation, and mutation.
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Photosynthesis and the Teeny Tiny Pigment Pancakes
No, the Calvin cycle isn't the bicycle Calvin and Hobbes ride. A video describes photosynthesis through cartoon graphics. Using the chemical formula and two reactions, it stresses the importance of chlorophyll and ATP.
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Cellular Respiration and the Mighty Mitochondria
What will give you more energy than caffeine? ATP. An illustrative video clearly explains cellular respiration using cartoon graphics. It includes the three major steps of glycolysis, Krebs cycle, and electron transport chains.
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Osmosis: A Solute and Solvent Love Story
Learning through osmosis doesn't work, but learning about osmosis is simple. A biology video provides a clear explanation of osmosis through simple diagrams and explains the application of osmosis in multiple contexts.
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Biomolecules
Do you think complex carbohydrates debate the meaning of life? A scientific video covers biomolecules and monomers including all four types: carbohydrates, lipids, proteins, and nucleic acids. It also offers a pneumonic device to...
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Homeostasis (and the Cell Membrane King)
The homeostasis pose is a popular yoga pose, and a video will explain how to do it properly. It also covers why we shiver, why we sweat, and the difference between a cell wall and a cell membrane.
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Biological Levels: The World Tour
It might look like he's doing nothing, but at the cellular level, he's quite busy. A video provides an overview of the many different biological levels. Using two different graphic organizers and many cartoon drawings...
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Food Webs and Energy Pyramids: Bedrocks of Biodiversity
How come we don't eat worms, but we eat fish that eat worms? A video features the food chain and explains why a food web is a better explanation for biodiversity. It includes explanations of producers, autotrophs, consumers,...
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Bacteria: The Good, The Bad, The Kinda Gross
While the bad bacteria get most of our attention and research into antibiotics, the good bacteria is also important to your health. Explain the different types of bacteria with an illustrative video.
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Natural Selection and the Bacterial Resistance
Biological fitness involves the number of offspring you produce and is not dependent on working out. The video explains natural selection using cartoon graphics of frogs on a log. Then it introduces evolution through antibiotic...
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Protein Synthesis and the Lean, Mean Ribosome Machines
Don't copy from each other, unless you are DNA — in which case, please make an exact copy. The video explains protein synthesis including the difference in transcription and translation. It touches on codon and how reading three bases at...
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Incomplete Dominance, Codominance, Polygenic Traits, and Epistasis!
Have you ever met twins or biological siblings with different skin colors? It's not unusual and a helpful video explains why. It includes incomplete dominance, codominance, polygentic traits, and Epistasis, and even explains...