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image: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By Catherine Offord | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

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Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

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By analyzing the genomes of 161 dog breeds, scientists discover how and when certain canine breeds emerged.

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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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The state’s board of education approves new standards that ease up on having students dig into scientific issues relevant to “intelligent design” arguments.

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image: Marching Into an Uncertain Future

Marching Into an Uncertain Future

By Bob Grant | April 20, 2017

Can professional organizations and societies parlay the groundswell of support culminating in this weekend’s March for Science into more-effective science advocacy?

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image: Image of the Day: Stop Signals

Image of the Day: Stop Signals

By The Scientist Staff | April 17, 2017

Transcytosis, suppression of vesicle traffic across cells, helps reduce permeability in the blood-retinal barrier during development.

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image: New Giant Virus Group Reported

New Giant Virus Group Reported

By Diana Kwon | April 6, 2017

A genomic analysis of “Klosneuviruses” suggests that they evolved from small viruses that accumulated genetic material over time, but not all virologists are convinced. 

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image: Book Excerpt from <em>The Politics of Cancer</em>

Book Excerpt from The Politics of Cancer

By Wendy N. Whitman Cobb | April 1, 2017

In Chapter 2, “Identifying the Culprits,” author Wendy Whitman Cobb describes how small-government, anti-regulation conservatism can hinder the fight against cancer.

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