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Image of the Day

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image: Image of the Day: Converging Neurons

Image of the Day: Converging Neurons

By | July 23, 2014

Sensory neurons (in red) and motor axons (in green) in a developing mouse embryo converge to form spinal nerves.

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image: Image of the Day: Pervasive Polychaetes

Image of the Day: Pervasive Polychaetes

By | July 22, 2014

Polychaete worms like this one, Myrianida pachycera, are found throughout the world's oceans, from the coldest abysses to searing hydrothermal vents.

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image: Image of the Day: Threatened Toad

Image of the Day: Threatened Toad

By | July 21, 2014

The Wyoming toad (Bufo baxteri) is one of the most endangered amphibians in North America, now found only in captivity and one protected lake refuge.

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image: Image of the Day: <em>Giardia</em> Grabs On

Image of the Day: Giardia Grabs On

By | July 18, 2014

Intestinal parasite Giardia lamblia latches on to a carpet of human intestinal cells in culture.

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image: Image of the Day: Flying Colors

Image of the Day: Flying Colors

By | July 17, 2014

Nuclei in the wing imaginal disc of a fruit fly embryo respond to different developmental regulators to turn into wings.

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image: Image of the Day: Larval Load

Image of the Day: Larval Load

By | July 16, 2014

An ant (Mrymica sp.) carries its larva; young are often carried to safety, food, or different parts of a nest in this manner.

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image: Image of the Day: Plankton Up Close

Image of the Day: Plankton Up Close

By | July 15, 2014

Blooms of algae such as this marine plankton (Ornithocercus splendicus), recovered from the Ionian Sea, cause harmful red tides.

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image: Image of the Day: Owlfly Origins

Image of the Day: Owlfly Origins

By | July 14, 2014

Owlflies are an ancient group that date back to the mid-Mesozoic era. They are only distantly related to fruit flies and dragonflies; their closest living relatives are antlions, or doodle bugs.

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image: Image of the Day: Pregnant Octocoral

Image of the Day: Pregnant Octocoral

By | July 11, 2014

The white dots within the body of this octocoral (named for the eight tentacles on its polyps) might be developing embryos.

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image: Image of the Day: Bottlebrush Blooms

Image of the Day: Bottlebrush Blooms

By | July 10, 2014

Virginia peppergrass (Lepidium virginicum) blooms in a racemose pattern, with the oldest flowers at the base of the stalk and new blossoms at the tip, so the entire inflorescence resembles a bottlebrush.

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