Image of the Day

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image: Image of the Day: Spiky Suit

Image of the Day: Spiky Suit

By | March 31, 2016

This blue tuxedo urchin (Mespilia globulus) measures around 2 cm in diameter and feeds by grazing on algae underneath it.

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image: Image of the Day: Free Rider

Image of the Day: Free Rider

By | March 30, 2016

Fish lice in the Argulus genus are highly adapted parasites, with suction cups that latch onto a host and piercing mouthparts used to feed on blood.

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image: Image of the Day: Fairy Circles

Image of the Day: Fairy Circles

By | March 29, 2016

Patterns of barren, circular patches of land known as fairy circles may be caused by interactions between water availability and vegetation growth.

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image: Image of the Day: Secret Stroller

Image of the Day: Secret Stroller

By | March 28, 2016

The blind cavefish Cryptotora thamicola has features previously thought to be unique to tetrapods, including a pelvic girdle and muscles that support walking.

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image: Image of the Day: Bug Brothers

Image of the Day: Bug Brothers

By | March 25, 2016

A pair of hours-old Gonocerus acuteangulatus step out together.

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image: Image of the Day: Color Coded

Image of the Day: Color Coded

By | March 24, 2016

Genetic tagging of epithelial cells, like the ones covering the top half of this zebrafish scale, allows researchers to visualize skin regeneration following injury in real time.

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image: Image of the Day: Centriole Sorting

Image of the Day: Centriole Sorting

By | March 23, 2016

A real-time recording of starfish egg formation reveals how the cell expels its centrioles—structures involved in cell division labeled mother (green) or daughter (purple)—prior to fertilization.

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image: Image of the Day: Monet-esque Micrograph

Image of the Day: Monet-esque Micrograph

By | March 22, 2016

Human tissue has been labeled using immunostaining in this colorful micrograph to show blood vessels (blue) and molecules involved in an immune response (red and green).

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image: Image of the Day: Casual Cruising

Image of the Day: Casual Cruising

By | March 21, 2016

This free-swimming rotifer, carrying tiny particles of plant matter in its gut, propels itself through the water by beating circles of cilia on its head.

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image: Image of the Day: Delicate Ducts

Image of the Day: Delicate Ducts

By | March 18, 2016

These tracheae form part of the respiratory system in the domesticated silkworm (Bombyx mori).

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