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Showing 1-20 of 26 Resources
  • New Brain Resolution

    New Brain Resolution

    Image of the Week

    A network of neurons in the brain of a mouse imaged using a novel microscopy technique.

  • Infection Engines

    Infection Engines

    Image of the Week

    A group of intracellular tachyzoites of the toxoplasmosis-causing parasite Toxoplasma gondii.

  • Polychromatic EM

    Polychromatic EM

    Image of the Week

    A new technique for labeling proteins and other molecules allows them to be clearly visualized and localized in cells in color using electron microscopy.

  • Red Tattoo

    Red Tattoo

    Image of the Week

    A section of stained human skin bearing a red tattoo.

  • Spiny Cells

    Spiny Cells

    Image of the Week

    A drawing, made by Santiago Ramón y Cajal of pyramidal neurons in the cerebral cortex of a rabbit, documented the presence of dendritic spines on the surfaces of some of the cells.

  • Tugging The Cellular Heartstrings

    Tugging The Cellular Heartstrings

    Image of the Week

    The microtubules inside cardiomyocytes buckle when the heart contracts.

  • Undersea Fireworks

    Undersea Fireworks

    Image of the Week

    The tentacles of sea anemones contain thousands of stinging cells called nematocysts that are ready to fire for defense or attack. 

  • Plaque Attack

    Plaque Attack

    Image of the Week

    An amyloid plaque (in purple) is surrounded by branches of damaged neurons (multiple colors) in the brain of a mouse with Alzheimer’s disease.

  • Counting Glomeruli

    Counting Glomeruli

    Image of the Week

    The human kidney contains about 1 million tiny filters called glomeruli with associated nephron tubules.

  • Social Networking

    Social Networking

    Image of the Week

    The arrangement of nerve cells in the region of the brain called the hippocampus is essential for the formation and storage of new memories.

  • Crystals and the Color of Skin

    Crystals and the Color of Skin

    Image of the Week

    The panther chameleon alters the arrangement of tiny crystals in its skin to change color.

  • To Brine, Or Not To Brine?

    To Brine, Or Not To Brine?

    Image of the Week

    Soaking your Thanksgiving turkey in a salt solution (brine) alters the arrangement of muscle fiber protein molecules.

  • How We Get Our Skin Color Interactive

    How We Get Our Skin Color Interactive

    Interactive Video

    (3 min 32 sec) This interactive animation about the biology of skin color provides stop points at which students can further explore the material through additional text and illustrations, videos, questions, and simple interactive widgets.

  • How We Get Our Skin Color

    How We Get Our Skin Color

    Animation

    (3 min 32 sec) This engaging animation shows how human skin cells produce the pigment melanin, which gives skin its color. 

  • Making the Flow

    Making the Flow

    Image of the Week

    The surface cells of tadpole embryos have cilia that move the water around them.

  • Festive Fat Cells

    Festive Fat Cells

    Image of the Week

    Fat is made up of spherical plump cells supplied by a network of blood vessels.

  • Autism and the Structure and Function of Synapses

    Autism and the Structure and Function of Synapses

    Animation

    (2 min 3 sec) Genes associated with autism affect the structure and function of neuronal synapses.

  • Dengue Virus Enters a Cell

    Dengue Virus Enters a Cell

    Animation

    (1 min 33 sec) Infection begins when the dengue virus uses receptors on an immune cell's surface to gain entry and release its genome.

  • How Neurons Work

    How Neurons Work

    Poster

    The poster from the 2008 Holiday Lectures on Science, Making Your Mind: Molecules, Motion, and Memory. It illustrates the structure and function of a neuron, including how it transmits electrical and chemical signals. (This poster is designed to printed at a maximum size of 29.5" x 23.5".)

  • Electrical Activity of Neurons

    Electrical Activity of Neurons

    Click & Learn

    Measuring neuronal activity, generating action potentials, and recording the firing of individual neurons.

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