Image of the Day

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image: Image of the Day: Spinal Stretch

Image of the Day: Spinal Stretch

By | August 10, 2016

Even a snake embryo has an unusually long body, seen here coiled into a spiral. The Oct4 gene responsible for this elongated shape stays active far longer than in other vertebrates, including mice.

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image: Image of the Day: Cricket Cues

Image of the Day: Cricket Cues

By | August 9, 2016

Field crickets create social networks that are stable across generations, scientists have shown.

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image: Image of the Day: Hidden in Plain Poo

Image of the Day: Hidden in Plain Poo

By | August 8, 2016

A bird dropping spider (Celaenia excavate), whose body is creamy white with flecks of burnt brown, hangs from one of her lantern-like egg sacs in Australia.

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image: Image of the Day: Blood Patrol

Image of the Day: Blood Patrol

By | August 5, 2016

Monocytes are first responders to damaged tissue, continually migrating through the endothelium of blood vessels (as depicted by the green tracks shown here).

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image: Image of the Day: Thriving Cephalopods

Image of the Day: Thriving Cephalopods

By | August 4, 2016

Despite changes to their marine habitats, cuttlefish, squid, and octopuses have been booming for the last six decades. 

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image: Image of the Day: Dragon Ants

Image of the Day: Dragon Ants

By | August 3, 2016

Spikes on the backs of two new ant species discovered in Papua New Guinea led their discoverers to name the insects Pheidole drogon and P. viserion (pictured), inspired by dragons from the TV series “Games of Thrones.”

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image: Image of the Day: ALS Association

Image of the Day: ALS Association

By | August 2, 2016

Within the mouse dentate gyrus—pictured here with neurons (green) and stem cells (red) visible—scientists have discovered the expression of the murine version of a human amyotrophic lateral sclerosis–associated gene.

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image: Image of the Day: Bird Tracks

Image of the Day: Bird Tracks

By | August 1, 2016

To follow its migration route, researchers have affixed a geolocator to the back of this Swainson’s thrush in British Columbia.

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image: Image of the Day: Wolf Genomics

Image of the Day: Wolf Genomics

By | July 29, 2016

The US Fish and Wildlife Service may take gray wolves off the endangered species list this fall. But new genomic evidence suggests the agency’s reasoning may be flawed.

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image: Image of the Day: Rolling in the Gut

Image of the Day: Rolling in the Gut

By | July 28, 2016

A stylized, merged image from a time series shows a strain of Vibrio cholerae (blue) within the gut of a zebrafish.

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