Image of the Day

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image: Image of the Day: Ancient River Dolphins

Image of the Day: Ancient River Dolphins

By | August 17, 2016

This linocut print by researcher-artist Alexandra Boersma depicts an extinct river dolphin species she and her colleagues describe today in PeerJ.  

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image: Image of the Day: Odd Couple

Image of the Day: Odd Couple

By | August 16, 2016

A rescued owl named Napolean takes shelter with Ingo, a German Shepherd. The pair live with their photographer owner in Germany.

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image: Image of the Day: Cell Orienteering

Image of the Day: Cell Orienteering

By | August 15, 2016

Epithelial cells in the sea squirt embryo have invaginations (indicated by the arrows) that appear to align their centrosomes (blue and red dots), keeping the cells oriented for their next division.

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image: Image of the Day: Drop It Like It’s Jaws

Image of the Day: Drop It Like It’s Jaws

By | August 12, 2016

To capture prey, the slow swimming, deep sea goblin shark (Mitsukurina owstoni) can transition from unprotruded jaws (top) to fully protruded jaws (bottom) in about 300 milliseconds—a tactic scientists call “slingshot feeding.”

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image: Image of the Day: Model Organisms

Image of the Day: Model Organisms

By | August 11, 2016

Researchers often study zebrafish larvae to better understand vertebrate development.

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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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