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A study of a simple marine animal suggests that the common ancestor of cnidarians and bilaterians may have had three germ layers instead of two.

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image: Image of the Day: Psychedelic Symbiosis

Image of the Day: Psychedelic Symbiosis

By | July 12, 2017

Thanks to the bioluminescent bacteria inhabiting its light organ, the vividly colored southern bobtail squid (Euprymna tasmanica) can glow in the dark. 

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image: Transgenic Mouse Illuminates Melanoma Metastasis

Transgenic Mouse Illuminates Melanoma Metastasis

By | June 28, 2017

Glowing cells mark the routes of tumor spread by way of newly formed lymph vessels. 

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Research shows that human immunity develops much earlier than previously thought, but functions differently in adults.

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image: Image of the Day: Root Rave 

Image of the Day: Root Rave 

By | May 24, 2017

Pea plant (Pisum sativum) roots that have been inoculated with engineered Rhizobia bacteria glow in the presence of certain proteins. 

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The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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image: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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image: Image of the Day: Night Lights

Image of the Day: Night Lights

By | May 1, 2017

The bioluminescent mushroom, Neonothopanus gardneri, glows green when luciferase enzymes interact with luciferin molecules, triggering a chemical reaction that releases light.

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The lungs of extremely premature lambs supported in a closed, sterile environment that enables fluid-based gas exchange grow and develop normally, researchers report.

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