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Biology & Biomedicine
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Videos and animations, plus image galleries
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Topic:
Biology & Biomedicine
Action of Epinephrine on a Liver Cell
Action of Glucocorticoid Hormone
Action Potentials and Muscle Contraction
Activation of Complement
Activation of Helper T Cells
Addition and Deletion Mutations
All About Shark Repellant
Alveolar Pressure Changes During Inspiration and Expiration
Amino acids, Peptides, and Proteins
Antigen Processing
Are E-cigs Safer Than Cigarettes?
Are Human Burial Practices Disturbing Earth’s Ecosystems?
Are We Breathing Caesar's Last Breath?
Attenuation
B Vitamins
Bacterial Cell Cycle
Bacterial Conjugation: Transfer of Chromosomal DNA
Bacterial Spore Formation
Bacterial Transformation
Benefits and Risks of Using Anhydrous Ammonia
A Better Hearing Aid Using Artificial Intelligence
Better Pizza Through Chemistry
Bidirectional DNA Replication
The Biochemistry of Redheads
Biofilm Formation
Biological Roles of RNA
The Brain Science of Figure Skating
The Brain Science of Making Decisions
The Brain Science of Taste
Breakdown of ATP and Cross-Bridge Movement During Muscle Contraction
Can a Fecal Transplant Save You From a C. diff Infection?
Can I Still Eat This?
Can Pheromones Get You A Date?
Can Silver Nanoparticles Combat Body Odor?
Can We Make Opioids Less Addictive?
Can You Taste Garlic with Your Feet?
Can Your Body Be Cryogenically Frozen and Later Revived?
The Cardiac Cycle
Cell Division
Cell Proliferation Signaling Pathway
Chameleons Are Masters of Nanotechnology
Chemical Synapse
The Chemistry Behind Delicious Roasted Potatoes
The Chemistry Behind Perms
Chemistry Life Hacks for Winter Survival
Chemistry Life Hacks: Food Edition
The Chemistry of Cartoon Antics
The Chemistry of Fear
The Chemistry of Grilling
The Chemistry of Love
The Chemistry of Pepper Spray
The Chemistry of Poison Ivy
The Chemistry of Snake Venom
The Chemistry of Tea Leaves During Production
The Chemistry of Your Eyes During Sleep
The Chromosome: DNA Packaging and Chromatin Remodeling
Coffee Chemistry
The Cold Truth About Fat
Comparison of Meoisis and Mitosis
Complement Fixation Test
Conducting System of the Heart
Construction of a Plasmid Vector
Control of Gene Expression in Eukaryotes
Control of the Cell Cycle
The Cornea and Lens
Cotransport
Cow Burps Are Warming the Planet
CRISPR/Cas 9 Explained
Cyclic and Noncyclic Photophosphorylation
Cytokinesis
Cytotoxic T-Cell Activity Against Target Cells
Deoxyribonucleic Acid (DNA)
Did Comets Kickstart Life on Earth?
Diseases Behind Vampire Lore
DIY Cleaning Hacks
DNA Microarrays
DNA Replication
Do Anti-Aging Creams Really Work?
Do Astronauts Need Sunscreen?
Do Carrots Help You See Better?
Do Humans Have Pheromones?
Do Ketogenic Diets Really Work?
Does Febreze Really Work?
Does Gum Really Stay in Your Stomach for Seven Years?
Does Melatonin Help You Sleep?
Does Sugar Cause Diabetes?
Does the Tryptophan in Turkey Make You Drowsy?
Dragon's Blood Could Save Your Life
Ear
Early Genetic Engineering Experiment
Effect of Sound Waves on Cochlear Structures
Electrolytes and Physical Activity
Electron Transport System and Formation of ATP
Eleven Things You Could Do With Your Body After You Die
Elizabeth Hillman’s 3D Microscope
Endocytosis and Exocytosis
Entry of Virus into Host Cell
Enzyme
Enzyme Active Sites
Enzyme Classification
Enzyme-Linked Immunosorbant Assay (ELISA)
Exon Shuffling
The Eye: Structure and Function
Feedback Inhibition of Biochemical Pathways
Five Cute Critters That Can Kill You
Fluorescence In Situ Hybridization (FISH)
Football Helmets: The Last Line of Defense?
Four Amazing Science Facts about Motherhood
Fried Chicken’s Deliciousness, Explained
Function of the Neuromuscular Junction
Functions of RNA
Gas Exchange During Respiration
Generalized Transduction
The Genetic Code
Glycolysis
GMO Regulation in America
Gram Stain
Hershey-Chase Experiment
The History of Nerve Agents
HIV Replication
Hormones and Gender Transition
How Bacteria Make It Rain
How Can You Catch Fruit Flies?
How Do Deodorants and Antiperspirants Work?
How Do Hand Sanitizers Work?
How Do Some Animals Glow?
How Does Adderall™ Work?
How Does Hair Dye Work?
How Does Moisturizer Work?
How Does Protein Build Muscle?
How Does Shampoo Work?
How Does Sunscreen Work?
How Does Xanax® Work?
How Enzymes Work
How Facilitated Diffusion Works
How Fluorescence Works
How Intracellular Receptors Regulate Gene Transcription
How is Climate Change Affecting Hibernation?
How Milk Becomes Cheese
How Much Candy Would Kill You?
How Osmosis Works
How Should You Treat a Jellyfish Sting?
How Spliceosomes Process RNA
How the Cell Cycle Works
How the HIV Infection Cycle Works
How the Krebs Cycle Works
How the NAD+ Works
How to Clean Your Contact Lenses
How to Stay Awake (Without Caffeine)
How Translation Works
How Tumor Suppressor Genes Block Cell Division
How Worms Turn Garbage into Compost
Human Heart
IgE-Mediated (Type I) Hypersensitivity
Immune Response
Inducible and Repressible Operons
Inflammatory Response
Intracellular Receptor Model
Is Aspartame Safe?
Is Superhero Strength Real?
Kitchen Gadgets Worth Considering
Lac Operon Regulation
Learning and the Teenage Brain
Learning the Language of Love
The Legal Battle over CRISPR
The Life Cycle of T2 Phage
Lysosomes
Lytic and Lysogenic Cycles
Marathon Chemistry: The Science of Distance Running
Maturation of the Follicle and Oocyte
Meiosis
Meiosis I
Meiosis with Crossing Over
Membrane-Bound Receptors That Activate G-Proteins
Microarray
Micturition Reflex
Miller-Urey Experiment
Mitosis
Mitosis and Cytokinesis
Monoclonal Antibody Production
Nephron
The Nerve Impulse
A New Weapon in the Chemical Arsenal of Amazonian Poison Frogs
Nose Blindness, Hand Sanitizer, and Mouthwash: Your Questions Answered
Nucleic Acid Hybridization
The Only Detox You'll Ever Need
Organs of Digestion
PCR Reactions
Peanut Allergies
Phagocytosis
Phlegm and the Immune System
Photosynthetic Electron Transport and ATP Synthesis
Phylogenetic Trees
Plasmolysis
The Polymerase Chain Reaction
Polymerase Chain Reaction
Procaryotic Cell Shapes
Processing of Gene Information: Prokaryotes vs. Eukaryotes
Proofreading Function of DNA Polymerase
Propagation of an Action Potential Along an Unmyelinated Axon
Protein Synthesis
Proton Pump
Quorum Sensing
Receptor-Mediated Endocytosis
Regulating Development
Respiratory System Overview
Restriction Endonucleases
Restriction Fragment Length Polymorphisms (RFLPs)
Retinal
RNA and DNA Structure Compared
RNA Interference
RNA Polymerases
RNA Splicing
Sarcomere Shortening
The Scent of Death
The Scent of Freshly Cut Grass May Be a Distress Signal
The Science of Caffeine
The Science of Steroids
Second Messengers: the cAMP and Ca++ Pathways
Shedding Light on Seasonal Affective Disorder
Signal Amplification
Simple Gene Expression
Simulation of Genetic Drift
The Smell of Durian Explained
Sniffing Priceless Art and Artifacts for Conservation
Sodium-Potassium Exchange Pump
Southern Blot
The Spacefaring Power of Urine
Specialized Transduction
Spermatogenesis
Stages of Meiosis
Stages of Transcription
Steps in Cloning a Gene
Structural Basis of DNA Replication
The Stuff Seashells Are Made Of
Sugar Versus High Fructose Corn Syrup—What's the Difference?
Surströmming: Secrets of a Stinky Swedish Fish
Sushi's Sublime Secrets
Synapse
Tardigrades Are Survivalists
Telomerase Function
Three Domains
Toll-like Receptors
Total Synthesis
Transcription
Transcription (mRNA Synthesis)
Transcription: From DNA to RNA
Translation Termination
Transmission Across a Synapse
Transport Moves Substances
Transposons: Shifting Segments of the Genome
Vision
What Causes PMS?
What Happens During a Drug Overdose?
What Happens if You Stop Using Shampoo?
What Happens When You Eat Too Much?
What Happens When You're About to Die?
What If Humans Could Photosynthesize?
What is a Complete Breakfast?
What Is Natto?
What is the Blackest Black?
What Makes Blue-Green Algae Dangerous?
What Makes Kimchi So Delicious?
What's the Deal With Acne?
Why Are Birds Different Colors?
Why Are Hot Peppers Hot?
Why are Tattoos Permanent?
Why Carbon Is the Key to Life
Why Do Leaves Change Color?
Why Do Roses Smell So Sweet?
Why Do Some People Hate Cilantro?
Why Do We Get Allergies?
Why Do We Love Music?
Why Does Coffee Make You Poop?
Why Does Food Make Your Mouth Water?
Why Does Stepping on a LEGO® Brick Hurt So Much?
Why Does Stinky Cheese Stink?
Why Does the Moon Smell Like Gunpowder?
Why Does Toothpaste Make Orange Juice Taste Bad?
Why Does Your Hair Turn Gray?
Why Don't Antarctic Fish Freeze to Death?
Why Feet Smell (And What to Do About It)
Why Flamingos Are Pink and Hardcore
Why is Carbon Monoxide So Deadly?
Why Olive Oil is Awesome
Why Too Much Stress Is Bad For You
The World's Most Unavoidable Carcinogen
The World's Top Five Deadly Poisons
X inactivation
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