Image of the Day

Most Recent

image: Image of the Day: Toxic Culture

Image of the Day: Toxic Culture

By | June 3, 2016

Grown under zinc stress, most of the cyanobacteria in this image overlay are healthy (red), but some are impaired (yellow), and a few have died (green).

0 Comments

image: Image of the Day: Practiced Performance

Image of the Day: Practiced Performance

By | June 2, 2016

This male peakock spider (Maratus volans) uses a combination of bright colors, abdomen movements, and leg claps to get the attention of females.

0 Comments

image: Image of the Day: Waning Wildlife

Image of the Day: Waning Wildlife

By | June 1, 2016

Amphibian species, such as the red spotted newt, are in global decline because of climate change, human influence, disease, and other factors.

0 Comments

image: Image of the Day: Colored Stalks

Image of the Day: Colored Stalks

By | May 31, 2016

The fruiting bodies, or sporangiophores, of this Phycomyces fungus are cream-colored in the wildtype (center), and altered in color mutants (left and right).

0 Comments

image: Image of the Day: No Free Lunch

Image of the Day: No Free Lunch

By | May 30, 2016

This hawk moth (Manduca sexta) expends plenty of energy hovering in front of a flower.

0 Comments

image: Image of the Day: Residence at Risk

Image of the Day: Residence at Risk

By | May 27, 2016

Rising sea temperatures have led to an increase in coral bleaching, posing a threat to clownfish, which rely on sea anemones for shelter.

0 Comments

image: Image of the Day: Model Brain

Image of the Day: Model Brain

By | May 26, 2016

The brain of a Drosophila fruit fly, imaged here using confocal microscopy, may provide a model for understanding the genetics of human brain injuries.

0 Comments

image: Image of the Day: Nature vs. Nutrition

Image of the Day: Nature vs. Nutrition

By | May 25, 2016

Despite their similar genomes, these Onthophagus beetles have different phenotypes—such as horn or no horn—based on the diets they ate as larvae.

0 Comments

image: Image of the Day: Petal Pigment

Image of the Day: Petal Pigment

By | May 24, 2016

Colorful pigments are localized inside this petal from a runner bean (Phaseolus coccineus).

0 Comments

image: Image of the Day: Signal Sensors

Image of the Day: Signal Sensors

By | May 23, 2016

Many human cells have cilia, spindly protuberances organizing intercellular signaling, that become damaged in a range of diseases known as ciliopathies.

0 Comments

Popular Now

  1. A Potential Remedy for the Aging Brain
    The Scientist A Potential Remedy for the Aging Brain

    In mice, injected fragments of a naturally occurring protein boost memory in young and old animals and improve cognition and mobility in a model of neurodegenerative disease. 

  2. The Sleeping Brain Can Learn
    Daily News The Sleeping Brain Can Learn

    Humans can remember new sensory information presented during REM sleep, but this ability is suppressed during deep, slow-wave slumber.

  3. USDA Emails: Don’t Use “Climate Change”
  4. Nature Index Identifies Top Contributors to Innovation
AAAS