Howard Hughes Medical Institute
Molecular Mechanism of Synaptic Function
Neurons don't touch each other, but they still communicate. Observe the process of both electrical and chemical signals used by neurons to share information. Hear exactly what triggers each step of the reaction as you view an animation...
Howard Hughes Medical Institute
Molecular Basis of Late Ltp (Long-Term Memory)
Scholars compare and contrast the molecular changes for short-term and long term-memory with the help of animated videos. Viewers see the chemical process that changes the brain and stores memories thanks to dopamine.
MinutePhysics
Open Letter to the President: Physics Education
Does something seem missing from your Physics class? Is it ... excitement? Current physics topics? The latest discoveries? The video explains some of the "gaps" in most physics curricula throughout the United States. Scholars learn to go...
Howard Hughes Medical Institute
Translation (Advanced Detail)
Who said staying predictable is a bad thing? Translation follows a predictable four-step process. Scholars view a summary of each step with a breakdown of every detail, then examine different functions, highlighted with different colors,...
Howard Hughes Medical Institute
The Molecular Cascade in Bacterial Quorum Sensing
Antibiotics kill bacterial growth, but widespread use results in antibiotic resistance. Researchers wonder if quorum sensing might allow us to treat bacteria without the resistance. View an animation of quorum sensing as it regulates...
Howard Hughes Medical Institute
Gleevec-Resistant Form of Kinase BCR-ABL
Gene mutation occurs at a rate much higher than many realize. Doctors treating cancer and other illnesses must learn to adapt quickly after each mutation. Viewers observe an animation and watch lecture with props to see what happens when...
Howard Hughes Medical Institute
Cloning an Army of T Cells for Immune Defense
How do bodies fight infections and illnesses? An animation of the way T cells clone to fight an infection provides many details. The resource also provides an excellent written introduction and ideas for how to ensure pupils understand...
Khan Academy
Introduction to Evolution and Natural Selection
The evidence for natural selection is presented as a random variation of a characteristic allowing a particular strain of organism to survive with a higher probability of successful reproduction. Population change over a short period of...
Curated OER
Photosynthesis
Obtain a basic understanding of photosynthesis at a chemical level. The steps involved are introduced and simplified, but they are still difficult to understand. I suggest using this resource to supplement a lecture. An overview is given...
Khan Academy
Natural Selection and the Owl Butterfly
The lecturer describes how certain characteristics develop. In this case, he discusses eye marking. The impact of environmental factors plays a huge role in the probability of successful reproduction and the fact that favorable genes...
Khan Academy
Variation in a Species
If there are no extenuating environmental factors to ensure competition in a species, then variation is achieved by random mutation. This resource may be more useful after viewers are introduced to the concepts of alleles and the...
Curated OER
Sex-Linked Traits
Again, the basis for trait inheritance and the impact of alleles in phenotypes was covered in previous videos. This presentation focuses on gender and the likelihood of traits if they are sex-linked. Sal tells a great anecdote about...
Curated OER
Phases of Mitosis
The lecturer starts by emphasizing that the mitotic process is a separate mechanism to cytokinesis - the cytoplasm splitting to become 2 cells. The video continues explaining the stages of mitosis in great detail. Each stage is...
Howard Hughes Medical Institute
The Day the Mesozoic Died
A dynamic, three-part feature explores what caused mass extinction of the dinosaurs at the end of the Cretaceous period. Computer animations, interviews, and on-site footage from around the world divulge evidence that it was the K-T...
Howard Hughes Medical Institute
Newt Limb Regeneration
Some amphibians respond to amputated limbs by fully regenerating functioning limbs. A short video permits viewers to observe a newt's cells working as stem cells, differentiating and regenerating into bones, muscle, skin, nerves, blood...
Bozeman Science
Chi-squared Test
Introduce the concept of hypothesis testing, confidence intervals, and degrees of freedom with a short video that also covers the chi-square test and works through several examples to help viewers understand the material.
Howard Hughes Medical Institute
How We Get Our Skin Color
Is our skin color determined only by genetics? Explore skin science through a video and related interactive. Young biologists discover the cells of the epidermis, how melanin is made, and the factors that influence the outward appearance...
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