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Biology
Anatomy of a muscle cell
Anatomy of a Neuron
Ape Clarification
ATP: Adenosine Triphosphate
B Lymphocytes (B cells)
Bacteria
C-4 Photosynthesis
CAM Plants
Cancer
Chromosomes, Chromatids, Chromatin, etc.
Circulatory System and the Heart
Correction to Sodium and Potassium Pump Video
Cytotoxic T Cells
Diffusion and Osmosis
DNA
Electron Transport Chain
Electrotonic and Action Potentials
Embryonic Stem Cells
Evolution Clarification
Genetics - What are genes?
Genetics - What are Phenotypes?
Genetics - What are SNPs?
Genetics - Where do your genes come from?
Glycolysis
Hardy-Weinberg Principle
Helper T Cells
Hemoglobin
Human Prehistory
Human Prehistory - Agriculture Rocks Our World
Human Prehistory - Epilogue
Human Prehistory - Out of (Eastern) Africa
Human Prehistory - Weathering The Storm
Inflammatory Response
Intelligent Design and Evolution
Introduction to Cellular Respiration
Introduction to Evolution and Natural Selection
Introduction to Heredity
Krebs / Citric Acid Cycle
Mitosis, Meiosis and Sexual Reproduction
Myosin and Actin
Natural Selection and the Owl Butterfly
Neuronal Synapses (Chemical)
Oxidation and Reduction in Cellular Respiration
Oxidation and Reduction Review From Biological Point-of-View
Oxidative Phosphorylation and Chemiosmosis
Parts of a cell
Phases of Meiosis
Phases of Mitosis
Photorespiration
Photosynthesis
Photosynthesis: Calvin Cycle
Photosynthesis: Light Reactions
Photosynthesis: Light Reactions and Photophosphorylation
Professional Antigen Presenting Cells (APC) and MHC II complexes
Punnett Square Fun
Red blood cells
Review of B cells, CD4+ T cells and CD8+ T cells
Role of Phagocytes in Innate or Nonspecific Immunity
Role of the Sarcoplasmic Reticulum in Muscle Cells
Saltatory Conduction in Neurons
Secondary Active Transport in the Nephron
Sex-Linked Traits
Sodium Potassium Pump
Species
Taxonomy and the Tree of Life
The Kidney and Nephron
The Lungs and Pulmonary System
Tropomyosin and troponin and their role in regulating muscle contraction
Types of immune responses: Innate and Adaptive. Humoral vs. Cell-Mediated
Variation in a Species
Viruses
Suggest topic Biology
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Chemistry
A look at a seductive but wrong Gibbs/Spontaneity Proof
Acid Base Introduction
Acid Base Titration
Another mass composition problem
Another Stoichiometry Example in a Solution
Balancing Chemical Equations
Boiling Point Elevation and Freezing Point Supression
Buffers and Hendersen-Hasselbalch
Carnot Cycle and Carnot Engine
Carnot Efficiency - Proving that it is the most efficient
Carnot Efficiency - Reversing the Cycle
Change of State
Chilling Water Problem
Conjugate Acids and Bases
Covalent Networks, Metallic, and Ionic Crystals
Efficiency of a Carnot Engine
Electron Configurations
Elements and Atoms
Empirical and Molecular Formulas from Stoichiometry
Enthalpy
Entropy Intuition
Example of Finding Reactant Empirical Formula
Exponential Decay
Exponential Decay Formula Proof
First Law of Thermodynamics/ Internal Energy
Formula from Mass Composition
Galvanic Cells
Gibbs Free Energy and Spontaneity
Groups of the Periodic Table
Half Equivalence Point
Half-Life
Heat of Formation
Hess's Law
Hess's Law and Reaction Enthalpy Change
Heterogenous Equilibrium
Hydrogen Peroxide Correction
Ideal Gas Equation
Ideal Gas Equation: PV=nRT
Introduction to Exponential Decay
Introduction to Kinetics
Introduction to Oxidation States
Introduction to pH, pOH, and pKw
Introduction to the atom
Ionic, Covalent, and Metallic Bonds
Keq derivation intuition (can skip; bit mathy)
Keq Intuition (mathy and not necessary to progress)
Le Chatelier's Principle
Limiting Reactant
Macrostates and Microstates
Maxwell's Demon
Mini-Video on Ion Size
Molecular and Empirical Formulas
Molecular and Empirical Forumlas from Percent Composition
More on Entropy
More on Internal Energy
More on orbitals and electron configuration
More on Oxidation States
More rigorous Gibbs Free Energy/ Spontaneity Relationship
Orbitals
Other Periodic Table Trends
Partial Pressure
Periodic Table Trends: Ionization Energy
pH of a Weak Acid
pH of a Weak Base
pH, pOH of Strong Acids and Bases
Phase Diagrams
pKa and pKb Relationship
Proof: U=(3/2)PV or U=(3/2)nRT
PV-diagrams and Expansion Work
Quasistatic and Reversible Processes
Reactions in Equilibrium
Reconciling Thermodynamic and State Definitions of Entropy
Redox Reactions
S (or Entropy) is a valid state variable
Solubility
Specific Heat, Heat of Fusion and Vaporization
Spectrophotometry
States of Matter
States of Matter Follow-Up
Stoichiometry
Stoichiometry of a Reaction in Solution
Stoichiometry: Limiting Reagent
Strong Acid Titration
Suspensions, Colloids and Solutions
The Mole and Avogadro's Number
Thermodynamic Entropy Definition Clarification
Titration Roundup
Types of Decay
Valence Electrons
Van Der Waals Forces
Vapor Pressure
Volume Ratios in a Carnot Cycle
Weak Acid Titration
Work Done by Isothermic Process
Work from Expansion
Suggest topic Chemistry
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Cosmology and Astronomy
A Universe Smaller than the Observable
Apsidal Precession (Perihelion Precession) and Milankovitch Cycles
Are Southern Hemisphere Seasons More Severe?
Becoming a Red Giant
Beginnings of Life
Big Bang
Biodiversity Flourishes in Phanerozoic Eon
Birth of Stars
Black Holes
Calendar Notation
Carbon 14 Dating
Cepheid Variables
Chronometric Revolution
Collective Learning
Compositional and Mechanical Layers of the Earth
Cosmic Background Radiation
Cosmological Time Scale
Detectable Civilizations in our Galaxy
Development of Agriculture and Writing
Earth Formation
Energy Inputs for Tilling a Hectare of Land
Firestick Farming
First living things on land clarification
Four Fundamental Forces
Galactic Collisions
Hawaiian Islands Formation
How Earths Tilt Causes Seasons
How we know about the Earths core
Hubble Image of Galaxies
Hubbles Law
Human Evolution Overview
Intergalactic Scale
Introduction to Light
K-Ar Dating Calculation
Land Productivity Limiting Human Population
Lifecycle of Massive Stars
Milankovitch Cycles Precession and Obliquity
Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon
Pangaea
Parallax in Observing Stars
Parsec Definition
Plate Tectonics - Evidence of plate movement
Plate Tectonics - Geological features of Convergent Plate Boundaries
Plate Tectonics - Geological Features of Divergent Plate Boundaries
Plate Tectonics-- Difference between crust and lithosphere
Plates Moving Due to Convection in Mantle
Potassium-Argon (K-Ar) Dating
Precession Causing Perihelion to Happen Later
Quasars
Radius of Observable Universe
Random Predictions for 2060
Red Shift
Refraction of Seismic Waves
Saturn
Scale of Distance to Closest Stars
Scale of Earth and Sun
Scale of Solar System
Scale of the Galaxy
Scale of the Large
Scale of the Small
Seasons Arent Dictated by Closeness to Sun
Seismic Waves
Star Field and Nebula Images
Stellar Distance Using Parallax
Stellar Parallax
Structure of the Earth
Supermassive Black Holes
Supernova (Supernovae)
Supernova clarification
The Mohorovicic Seismic Discontinuity
What Causes Precession and Other Orbital Changes
White and Black Dwarfs
Why Cepheids Pulsate
Why Gravity Gets So Strong Near Dense Objects
Why S-Waves Only Travel in Solids
Suggest topic Cosmology and Astronomy
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Healthcare and Medicine
A1C Levels
Adequacy of the Lateral Cervical Spine X-Ray
Assessing Alignment of the Lateral Cervical Spine (neck) X-Ray
Bacterial Meningitis
Blood Sugar Levels
Blue Cross and Blue Shield
Cancerous Colon Tissue
Cervical Spine Protection in Airway Management
Childhood Growth
Colon Dysplasia
Conversation About Drug Pricing
Glucose Concentration Conversion
Glucose Insulin and Diabetes
Health Care Costs in US vs Europe
Healthcare System Overview
Heart Disease and Heart Attacks
Hyperplasia in Colon Tissue
Inflammation
Intro to the Endocrine System
Medicare Overview
Normal Colon Tissue
Paying Doctors
Precocious Puberty
Ritual of the Bedside Exam
Stenosis, ischemia and heart failure
Strokes
Systemic Thinking About Cancer
Thrombo-emboli and Thromboembolisms
Vitamin C and the Limeys
Suggest topic Healthcare and Medicine
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Organic Chemistry
Acid Chloride Formation
Addition of Water (Acid-Catalyzed) Mechanism
Alcohols
Aldehyde
Aldol Reaction
Amide Formation from Acyl Chloride
Amides, Anhydrides, Esters and Acyl Chlorides
Amine as Nucleophile in Sn2 Reaction
Amine in Sn2
Amine Naming
Aromatic Compounds and Huckels Rule
Bromination of Benzene
Cahn-Ingold-Prelog System for Naming Enantiomers
Carboxlic Acid
Carboxylic Acid Naming
Chair and Boat Shapes for Cyclohexane
Chiral Examples
Chirality
Cis-Trans and E-Z Naming Scheme for Alkenes
Common and Systematic Naming-Iso, Sec and Tert Prefixes
Comparing E2 E1 Sn2 Sn1 Reactions
Cyclic ethers and epoxide naming
Double Newman Diagram for Methcyclohexane
E1 Reactions
E2 E1 Sn2 Sn1 Reactions Example
E2 Reactions
Electrophilic Aromatic Substitution
Entgegen-Zusammen Naming Scheme for Alkenes Examples
Ether Naming
Fisher Esterification
Free Radical Reactions
Friedel Crafts Acylation
Keto Enol Tautomerization
Ketone Naming
Markovnikovs Rule and Carbocations
Naming Alkanes with Alkyl Groups
Naming Alkenes Examples
Naming Alkyl Halides
Naming Benzene Derivatives
Naming Simple Alkanes
Newman Projections
Nucleophilicity (Nucleophile Strength)
Nucleophilicity vs. Basicity
Organic Chemistry Naming Examples
Pi bonds and sp2 Hybridized Orbitals
Polymerization of Alkenes with Acid
R,S (Cahn-Ingold-Prelog) Naming System Example
Reaction Mechanisms
Relative Stability of Amides Esters Anhydrides and Acyl Chlorides
Representing Structures of Organic Molecules
Resonance
Ring-opening Sn2 reaction of expoxides
Sn1 Amine Reaction
Sn1 and Sn2 epoxide opening discussion
Sn1 Reactions
Sn2 Reactions
Sn2 Stereochemistry
Solvent Effects on Sn1 and Sn2 Reactions
sp3 Hybridized Orbitals and Sigma Bonds
Stereoisomers, Enantiomers, Diastereomers, Constitutional Isomers and Meso Compounds
Steric Hindrance
Zaitsevs Rule
Suggest topic Organic Chemistry
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Physics
2-dimensional momentum problem
Acceleration
Acceleration Due to Gravity at the Space Station
Acceleration of Aircraft Carrier Takeoff
Airbus A380 Take-off Distance
Airbus A380 Take-off Time
Amplitude, Period, Frequency and Wavelength of Periodic Waves
Average Velocity for Constant Acceleration
Calculating Average Velocity or Speed
Calculating dot and cross products with unit vector notation
Calculus proof of centripetal acceleration formula
Capacitance
Center of Mass
Centripetal Force and Acceleration Intuition
Circuits
Clearing the Green Monster at Fenway
Concave Lenses
Conservation of angular momemtum
Conservation of Energy
Convex Lens Examples
Convex Lenses
Convex Parabolic Mirrors
Correction to Force of Friction Keeping the Block Stationary
Correction to Total Final Velocity for Projectile
Cross product
Cross Product and Torque
Deriving Displacement as a Function of Time, Acceleration and Initial Velocity
Deriving Max Projectile Displacement Given Time
Different Way to Determine Time in Air
Displacement from Time and Velocity Example
Doppler effect formula for observed frequency
Doppler effect formula when source is moving away
Dot vs. Cross Product
Electric Potential Energy
Electrostatics
Fluids
Force of Friction Keeping the Block Stationary
Force of Friction Keeping Velocity Constant
Gravitation
Gravity for Astronauts in Orbit
Green Monster at Fenway Part 2
Harmonic Motion
Ice Accelerating Down an Incline
Impact Velocity From Given Height
Inclined Plane Force Components
Intro to springs and Hooke's Law
Introduction to Gravity
Introduction to Harmonic Motion
Introduction to Magnetism
Introduction to mechanical advantage
Introduction to Momentum
Introduction to Newton's Law of Gravitation
Introduction to Tension
Introduction to the Doppler Effect
Introduction to Torque
Introduction to Vectors and Scalars
Introduction to Waves
Introduction to work and energy
Intuition on Static and Kinetic Friction Comparisons
Launching and Landing on Different Elevations
Loop De Loop Answer
Loop De Loop Question
Mach Numbers
Magnetism
Magnetism: Electric Motors
Magnetism: Induced Current in a Wire
Magnetism: Magnetic field due to current
Mass and Weight Clarification
Mechanical Advantage
Moments
Momentum: Ice skater throws a ball
Moving pulley problem
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Normal Force and Contact Force
Normal Force in an Elevator
Object Image and Focal Distance Relationship (Proof of Formula)
Object Image Height and Distance Relationship
Optimal angle for a projectile
Optimal angle for a projectile - Finding the optimal angle and distance with a bit of calculus
Optimal angle for a projectile - Hangtime
Optimal angle for a projectile - Horizontal distance as a function of angle (and speed)
Parabolic Mirrors
Parabolic Mirrors and Real Images
Plotting Projectile Displacement, Acceleration, and Velocity
Potential energy stored in a spring
Projectile at an Angle
Projectile Height Given Time
Projectile motion
Projectile Motion with Ordered Set Notation
Projectile Motion with Unit Vectors
Projectile on an Incline
Proof: Field from infinite plate
Race Cars with Constant Speed Around Curve
Refraction and Snell's Law
Refraction in Water
Relationship between angular velocity and speed
Snell's Law
Solving for Time
Space Station Speed in Orbit
Specular and Diffuse Reflection
Spring potential energy example (mistake in math)
Static and Kinetic Friction Example
Tension
Tension in an accelerating system and pie in the face
The dot product
Thermodynamics
Total Displacement for Projectile
Total Final Velocity for Projectile
Total Internal Reflection
Unit Vector Notation
Unit Vectors and Engineering Notation
Viewing g as the value of Earth's Gravitational Field N
Virtual Image
Visual Understanding of Centripetal Acceleration Formula
Visualizing Vectors in 2 Dimensions
Voltage
When the source and the wave move at the same velocity
Why Distance is Area under Velocity-Time Line
Work and Energy
Work/Energy problem with Friction
Would a Brick or Feather Fall Faster
Suggest topic Physics
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