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Showing 1-20 of 23 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.

  • Spooky Sedge

    Spooky Sedge

    Image of the Week

    Oh the horror! A cross-section of the stem of yellow nut sedge plant (Cyperus esculentus)

  • A Model Microbe

    A Model Microbe

    Image of the Week

    Tetrahymena thermophila is a freshwater unicellular ciliated protozoan related to Paramecium.

  • Expanding Cells

    Expanding Cells

    Image of the Week

    Using a new technique called expansion microscopy, scientists are able to see more details in their specimens.

  • 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. 

  • Fellowship of the Rings

    Fellowship of the Rings

    Image of the Week

    The nuclear pore is a complex of three rings of proteins that controls the passage of materials in and out of the nucleus.

  • 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.

  • A Predator in the Plankton

    A Predator in the Plankton

    Image of the Week

    The comb jelly (Beroe cucumis) uses its large mouth and cilia-powered motor to prey upon members of the plankton family, including other ctenophores.

  • 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.

  • Coloring the Past

    Coloring the Past

    Image of the Week

    An electron micrograph of tightly-packed melanosomes in a 55.4-million-year-old fossil bird feather unearthed in Denmark.

  • What Makes Flowers Red?

    What Makes Flowers Red?

    Image of the Week

    The petals of flowers get their vibrant colors from cells packed with pigments such as orange carotenoids and pink anthocyanins.

  • Solar Fix

    Solar Fix

    Image of the Week

    The cells of the liverwort (Marchantia polymorpha) are packed with chloroplasts.

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